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  • 1. Bartoli, E.
    et al.
    Wadji, D. L.
    Oe, M.
    Cheng, P.
    Martin-Soelch, C.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Langevin, R.
    Perceived Acceptability of Child Maltreatment as a Moderator of the Association Between Experiences of Child Maltreatment and Post-Traumatic Symptoms: A Cross-Cultural Study2024In: Journal of Interpersonal Violence, ISSN 0886-2605, E-ISSN 1552-6518, Vol. 39, no 15-16, p. 3764-3790Article in journal (Refereed)
    Abstract [en]

    Despite the well-documented link between child maltreatment (CM) and mental health, evidence suggests substantial variability in the post-traumatic sequelae of CM across cultures. The perceived acceptability of CM in one’s community might moderate the association between CM and mental health, but little research has been conducted on it so far. This study examined how the perceived acceptability of CM may influence the relationship between CM experiences and post-traumatic symptoms in individuals from four different continents and if the pattern of associations is the same across countries. We recruited a sample of 478 adults from Cameroon (n = 111), Canada (n = 137), Japan (n = 108), and Germany (n = 122). We administered online questionnaires and performed multiple group moderation analyses for total CM, neglect, physical abuse, emotional maltreatment, sexual abuse, and exposure to domestic violence (DV). A significant positive main effect of CM on post-traumatic symptoms was found in the overall sample and in Cameroon; in Germany, only neglect and emotional maltreatment were positively associated to post-traumatic symptoms. Moderation effects were identified; the perceived acceptability of neglect in Cameroon and Germany and of exposure to DV in Cameroon had a dampening effect on the relationship between CM experiences and post-traumatic symptoms. Our findings confirm that CM experiences entail long-term post-traumatic sequelae that can vary across cultures and CM subtypes and further our understanding of this issue by showing that the perceived acceptability of CM may be an understudied moderator. 

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  • 2. Dammann, G.
    et al.
    Rudaz, M.
    Benecke, C.
    Riemenschneider, A.
    Walter, M.
    Pfaltz, Monique C.
    Kächenhoff, J.
    Clarkin, J. F.
    Gremaud-Heitz, D. J.
    Facial Affective Behavior in Borderline Personality Disorder Indicating Two Different Clusters and Their Influence on Inpatient Treatment Outcome: A Preliminary Study2020In: Frontiers in Psychology, E-ISSN 1664-1078, Vol. 11Article in journal (Refereed)
    Abstract [en]

    Background: The purpose of the present study was threefold: first, to investigate the facial affective behavior in patients with a borderline personality disorder (BPD); second, to examine whether these patients could be divided into clusters according to facial affective behavior; and third, to test whether these clusters would influence the inpatient treatment outcome. Methods: Thirty inpatients with BPD were assessed with the Structured Clinical Interviews for DSM-IV Axis I and II Disorders (SCID I, SCID II) and had to complete a series of questionnaires before and directly after the 12-week long inpatient treatment. Facial affective behavior was recorded during the structured interview for personality organization (STIPO) and afterward coded with the emotional facial action coding system (EMFACS). Measures on psychopathology [beck depression inventory (BDI), Spielberger state and trait anxiety inventory (STAI), Spielberger state and trait anger inventory (STAXI), and symptom cheklist-90-revised (SCL-90-R)], interpersonal problems [Inventory of Interpersonal Problems (IIP)], and personality organization [inventory of personality organization (IPO)] were administered. Results: Cluster analysis before the treatment yielded two groups that differed in general facial expressivity, and regarding the display of anger, contempt, and disgust. The effect sizes of the repeated measures ANOVAs showed that persons with higher scores on the affective facial expressions benefitted more from the treatment in terms of STAI state anxiety, STAXI state and trait anger, IIP total, and the two scales primitive defenses and identity diffusion of the IPO, whereas persons with lower scores benefitted more on the scale IPO reality testing. Conclusion: Our results indicated some initial trends for the importance of facial affective behavior in patients with BPD and their treatment outcome. © Copyright © 2020 Dammann, Rudaz, Benecke, Riemenschneider, Walter, Pfaltz, KÌchenhoff, Clarkin and Gremaud-Heitz.

  • 3.
    de Graaff, Anne M.
    et al.
    Vrije Univ Amsterdam, Amsterdam Publ Hlth Res Inst, Who Collaborating Ctr Res & Disseminat Psychol In, Dept Clin Neuro & Dev Psychol, Amsterdam, Netherlands..
    Cuijpers, Pim
    Vrije Univ Amsterdam, Amsterdam Publ Hlth Res Inst, Who Collaborating Ctr Res & Disseminat Psychol In, Dept Clin Neuro & Dev Psychol, Amsterdam, Netherlands..
    Acarturk, Ceren
    Koc Univ, Dept Psychol, Istanbul, Turkey..
    Akhtar, Aemal
    Univ New South Wales, Sch Psychol, Sydney, NSW, Australia..
    Alkneme, Mhd Salem
    Free Univ Berlin, Dept Educ & Psychol, Div Clin Psychol Intervent, Berlin, Germany..
    Aoun, May
    War Child, Res & Dev Dept, Amsterdam, Netherlands..
    Awwad, Manar
    Int Med Corps, Tech Unit, London, England..
    Bawaneh, Ahmad Y.
    Int Med Corps, Tech Unit, London, England..
    Brown, Felicity L.
    War Child, Res & Dev Dept, Amsterdam, Netherlands.;Univ Amsterdam, Amsterdam Inst Social Sci Res, Amsterdam, Netherlands..
    Bryant, Richard
    Univ New South Wales, Sch Psychol, Sydney, NSW, Australia..
    Burchert, Sebastian
    Free Univ Berlin, Dept Educ & Psychol, Div Clin Psychol Intervent, Berlin, Germany..
    Carswell, Kenneth
    WHO, Dept Mental Hlth & Subst Abuse, Geneva, Switzerland..
    Drogendijk, Annelieke
    ARQ Natl Psychotrauma Ctr, ARO Int, Amsterdam, Netherlands..
    Engels, Michelle
    Int Federat Red Cross, Copenhagen, Denmark.;Red Crescent Soc Reference Ctr Psychosocial Suppo, Copenhagen, Denmark..
    Fuhr, Daniela C.
    London Sch Hyg & Trop Med, Dept Hlth Serv Res & Policy, London, England..
    Hansen, Pernille
    Int Federat Red Cross, Copenhagen, Denmark.;Red Crescent Soc Reference Ctr Psychosocial Suppo, Copenhagen, Denmark..
    van't Hof, Edith
    WHO, Dept Mental Hlth & Subst Abuse, Geneva, Switzerland..
    Giardinelli, Luana
    Int Med Corps, Tech Unit, London, England..
    Hemmo, Mahmoud
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Hessling, Jonas M.
    Free Univ Berlin, Dept Educ & Psychol, Div Clin Psychol Intervent, Berlin, Germany..
    Ilkkursun, Zeynep
    Koc Univ, Dept Psychol, Istanbul, Turkey..
    Jordans, Mark J. D.
    War Child, Res & Dev Dept, Amsterdam, Netherlands.;Univ Amsterdam, Amsterdam Inst Social Sci Res, Amsterdam, Netherlands..
    Kiselev, Nikolai
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Knaevelsrud, Christine
    Free Univ Berlin, Dept Educ & Psychol, Div Clin Psychol Intervent, Berlin, Germany..
    Kurt, Gulsah
    Koc Univ, Dept Psychol, Istanbul, Turkey..
    Martinmaki, Saara
    ARQ Natl Psychotrauma Ctr, ARO Int, Amsterdam, Netherlands..
    McDaid, David
    London Sch Econ & Polit Sci, Dept Hlth Policy, Care Policy & Evaluat Ctr, London, England..
    Morina, Naser
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Naser, Hadeel
    Int Med Corps, Tech Unit, London, England..
    Park, A-La
    London Sch Econ & Polit Sci, Dept Hlth Policy, Care Policy & Evaluat Ctr, London, England..
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.
    Roberts, Bayard
    London Sch Hyg & Trop Med, Dept Hlth Serv Res & Policy, London, England..
    Schick, Matthis
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Schnyder, Ulrich
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Spaaij, Julia
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Steen, Frederik
    War Child, Res & Dev Dept, Amsterdam, Netherlands..
    Taha, Karine
    War Child, Res & Dev Dept, Amsterdam, Netherlands..
    Uygun, Ersin
    Istanbul Bilgi Univ, Trauma & Disaster Mental Hlth Master Programme, Istanbul, Turkey..
    Ventevogel, Peter
    United Nations High Commissioner Refugees, Publ Hlth, Geneva, Switzerland..
    Whitney, Claire
    Int Med Corps, Tech Unit, London, England..
    Witteveen, Anke B.
    Vrije Univ Amsterdam, Amsterdam Publ Hlth Res Inst, Who Collaborating Ctr Res & Disseminat Psychol In, Dept Clin Neuro & Dev Psychol, Amsterdam, Netherlands..
    Sijbrandij, Marit
    Vrije Univ Amsterdam, Amsterdam Publ Hlth Res Inst, Who Collaborating Ctr Res & Disseminat Psychol In, Dept Clin Neuro & Dev Psychol, Amsterdam, Netherlands..
    Scalable psychological interventions for Syrian refugees in Europe and the Middle East: STRENGTHS study protocol for a prospective individual participant data meta-analysis2022In: BMJ Open, E-ISSN 2044-6055, Vol. 12, no 4, article id e058101Article in journal (Refereed)
    Abstract [en]

    Introduction The World Health Organization's (WHO) scalable psychological interventions, such as Problem Management Plus (PM+) and Step-by-Step (SbS) are designed to be cost-effective non-specialist delivered interventions to reduce symptoms of common mental disorders, such as anxiety, depression and post-traumatic stress disorder (PTSD). The STRENGTHS consortium aims to evaluate the effectiveness, cost-effectiveness and implementation of the individual format of PM+ and its group version (gPM+), as well as of the digital SbS intervention among Syrian refugees in seven countries in Europe and the Middle East. This is a study protocol for a prospective individual participant data (IPD) meta-analysis to evaluate (1) overall effectiveness and cost-effectiveness and (2) treatment moderators of PM+, gPM+ and SbS with Syrian refugees. Methods and analysis Five pilot randomised controlled trials (RCTs) and seven fully powered RCTs conducted within STRENGTHS will be combined into one IPD meta-analytic dataset. The RCTs include Syrian refugees of 18 years and above with elevated psychological distress (Kessler Psychological Distress Scale (K10>15)) and impaired daily functioning (WHO Disability Assessment Schedule 2.0 (WHODAS 2.0>16)). Participants are randomised into the intervention or care as usual control group, and complete follow-up assessments at 1-week, 3-month and 12-month follow-up. Primary outcomes are symptoms of depression and anxiety (25-item Hopkins Symptom Checklist). Secondary outcomes include daily functioning (WHODAS 2.0), PTSD symptoms (PTSD Checklist for DSM-5) and self-identified problems (PSYCHLOPS). We will conduct a one-stage IPD meta-analysis using linear mixed models. Quality of evidence will be assessed using the GRADE approach, and the economic evaluation approach will be assessed using the CHEC-list. Ethics and dissemination Local ethical approval has been obtained for each RCT. This IPD meta-analysis does not require ethical approval. The results of this study will be published in international peer-reviewed journals.

  • 4. Drescher, A.
    et al.
    Kiselev, N.
    Akhtar, A.
    Acarturk, C.
    Bryant, R. A.
    Ilkkursun, Z.
    von Känel, R.
    Miller, K. E.
    Pfaltz, Monique C.
    Schick, M.
    Schnyder, U.
    Sijbrandij, M.
    Spaaij, J.
    Morina, N.
    Problems after flight: understanding and comparing Syrians'€™ perspectives in the Middle East and Europe2021In: BMC Public Health, E-ISSN 1471-2458, Vol. 21, no 1Article in journal (Refereed)
    Abstract [en]

    Background: Syrian refugees and asylum seekers (SRAs) face multiple stressors after flight, which may vary due to different geographic, economic, cultural and socio-political contexts in the host countries. Past research has recognised the importance of participants’ own perspectives. The aims of this multi-country study were to identify and compare self-reported problems of SRAs between various settings. Methods: A semi-structured client-generated outcome measurement was used to collect data among adult SRAs in Jordan (N = 61), Turkey (N = 46) and Switzerland (N = 57) between September 2018 and November 2019. Answers were analysed following thematic analysis. Results: Over half of the participants reported practical problems with an emphasis on camp-related problems (Jordan), finances (Turkey), employment (Jordan and Switzerland) and government regulations (Switzerland), followed by psychological, and social issues. Conclusion: This study highlights the impact of local contextual factors on wellbeing. The findings emphasise that planning preventative procedures and mental health care services for SRAs need to consider local challenges affecting the population in specific countries. © 2021, The Author(s).

  • 5.
    Ernst, Jutta
    et al.
    Univ Zurich, Univ Hosp Zurich, Ctr Clin Nursing Sci, Zurich, Switzerland..
    Jordan, Katja-Daniela
    Univ Zurich, Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Weilenmann, Sonja
    Univ Zurich, Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Sazpinar, Onur
    Univ Zurich, Univ Hosp Zurich, Dept Internal Med, Zurich, Switzerland..
    Gehrke, Samuel
    Univ Zurich, Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Paolercio, Francesca
    Univ Zurich, Dept Psychol, Zurich, Switzerland..
    Petry, Heidi
    Univ Zurich, Univ Hosp Zurich, Ctr Clin Nursing Sci, Zurich, Switzerland..
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. Univ Zurich, Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Mean, Marie
    Lausanne Univ Hosp, Dept Internal Med, Lausanne, Switzerland..
    Aebischer, Oriane
    Ensemble Hosp Cote Morges, Dept Internal Med, Morges, Switzerland..
    Gachoud, David
    Lausanne Univ Hosp, Dept Internal Med, Lausanne, Switzerland.;Univ Lausanne, Fac Biol & Med, Sch Med, Educ Unit, Lausanne, Switzerland..
    Morina, Naser
    Univ Zurich, Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    von Kaenel, Roland
    Univ Zurich, Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Spiller, Tobias R.
    Univ Zurich, Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Burnout, depression and anxiety among Swiss medical students-A network analysis2021In: Journal of Psychiatric Research, ISSN 0022-3956, E-ISSN 1879-1379, Vol. 143, p. 196-201Article in journal (Refereed)
    Abstract [en]

    It is well established that burnout in medical students is associated with depression and anxiety at a syndromal level. Moreover, there is an ongoing debate about the extent to which burnout overlaps with depression and anxiety. The emerging network approach to psychopathology offers a new perspective on the interrelations between mental disorders focusing on symptom-level association. In this cross-sectional study, we exploratively investigated the associations among burnout, depression, and anxiety in 574 swiss medical students using a network analytic approach for the first time. Symptoms of depression and anxiety were assessed with the Patient Health Questionnaire and Generalized Anxiety Disorder respectively. Burnout was assessed with two single-item questions, one referring to emotional exhaustion and the other to depersonalization. We found a dense network in which at least one dimension of burnout was related to eleven of the sixteen included symptoms. This suggests that burnout is closely related to depression and anxiety but also has its own characteristics. Notably, suicidal ideation was not associated with either emotional exhaustion or depersonalization after adjusting for the influence of the remaining symptoms of anxiety and depression. Hence, the well-documented relationship between burnout and suicidal ideation in medical students may be entirely mediated by the experience of anxiety and depression. Hence, the well-documented relationship between burnout and suicidal ideation in medical students might be fully mediated by the experience of anxiety and depression. The collection of the sample after the first wave of infections during the SARS-CoV2 pandemic and the non-representativeness of the investigated sample limit the study's generalizability.

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  • 6. Fares-Otero, N. E.
    et al.
    Alameda, L.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Martinez-Aran, A.
    Schäfer, I.
    Vieta, E.
    Examining associations, moderators and mediators between childhood maltreatment, social functioning, and social cognition in psychotic disorders: A systematic review and meta-analysis2023In: Psychological Medicine, ISSN 0033-2917, E-ISSN 1469-8978, Vol. 53, no 13, p. 5909-5932Article, review/survey (Refereed)
    Abstract [en]

    Childhood maltreatment (CM) has been related to social functioning and social cognition impairment in people with psychotic disorders (PD); however, evidence across different CM subtypes and social domains remains less clear. We conducted a systematic review and meta-analysis to quantify associations between CM, overall and its different subtypes (physical/emotional/sexual abuse, physical/emotional neglect), and domains of social functioning and social cognition in adults with PD. We also examined moderators and mediators of these associations. A PRISMA-compliant systematic search was performed on 24 November 2022 (PROSPERO CRD42020175244). Fifty-three studies (N = 13 635 individuals with PD) were included in qualitative synthesis, of which 51 studies (N = 13 260) with 125 effects sizes were pooled in meta-analyses. We found that CM was negatively associated with global social functioning and interpersonal relations, and positively associated with aggressive behaviour, but unrelated to independent living or occupational functioning. There was no meta-analytic evidence of associations between CM and social cognition. Meta-regression analyses did not identify any consistent moderation pattern. Narrative synthesis identified sex and timing of CM as potential moderators, and depressive symptoms and maladaptive personality traits as possible mediators between CM and social outcomes. Associations were of small magnitude and limited number of studies assessing CM subtypes and social cognition are available. Nevertheless, adults with PD are at risk of social functioning problems after CM exposure, an effect observed across multiple CM subtypes, social domains, diagnoses and illness stages. Maltreated adults with PD may thus benefit from trauma-related and psychosocial interventions targeting social relationships and functioning. 

  • 7. Fares-Otero, N. E.
    et al.
    Pfaltz, Monique C.
    Estrada-Lorenzo, J. -M
    Rodriguez-Jimenez, R.
    COVID-19: The need for screening for domestic violence and related neurocognitive problems2020In: Journal of Psychiatric Research, ISSN 0022-3956, E-ISSN 1879-1379, Vol. 130, p. 433-434Article in journal (Refereed)
  • 8. Fares-Otero, N. E.
    et al.
    Pfaltz, Monique C.
    Rodriguez-Jimenez, R.
    Schäfer, I.
    Trautmann, S.
    Childhood maltreatment and social functioning in psychotic disorders: a systematic review protocol2021In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 12, no 1Article in journal (Refereed)
    Abstract [en]

    Background: Childhood maltreatment (CM) is thought to play a key role in the etiology and course of psychotic disorders (PD). In addition, CM is related to neurobiological and clinical characteristics that can lead to poor social functioning. However, the extent to which CM and social functioning are directly associated in individuals with PD, is unclear. Therefore, we aim to systematically review the literature to provide an estimate on the strength of the association between CM and different domains of social functioning in PD and to summarize potential moderators and mediators of this association. Methods and analysis: To identify relevant studies, we will systematically search the following databases: Pubmed (Medline), PsycInfo, Embase, Web of Science (Core Collection), and Pilots (trauma), manually search reference lists and contact experts in the field. Studies will be included if they investigate and report on the association between CM (exposure) and social functioning (outcome) in adults with PD. Two independent reviewers will screen titles, abstracts and full texts according to eligibility criteria, perform data extraction and assess study quality according to a modified version of the Newcastle–Ottawa Scale. Analysis: Effect estimates will be pooled in a meta-analysis. Heterogeneity and publication bias will be assessed and the effects of potential moderators (genetic factors, type of diagnosis, duration of illness, type of CM and age at the time of CM exposure) will be analyzed using meta-regressions. Candidate moderators and mediators (neurocognition, cognitive schemas, comorbidities, stress sensitivity, attachment) will be also examined qualitatively. Ethics and dissemination: Because this review will make use of already published data, ethical approval will not be sought. This work has the potential to inform upcoming investigations on the association between the exposure to CM in PD and social functioning. PROSPERO registration number CRD42020175244. © 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

  • 9. Fares-Otero, N. E.
    et al.
    Sharp, T. H.
    Balle, S. R.
    Quaatz, S. M.
    Vieta, E.
    Åhs, Fredrik
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Allgaier, A. -K
    Arévalo, A.
    Bachem, R.
    Belete, H.
    Mossie, T. B.
    Berzengi, A.
    Capraz, N.
    Ceylan, D.
    Dukes, D.
    Essadek, A.
    Iqbal, N.
    Jobson, L.
    Levy-Gigi, E.
    Lüönd, A.
    Martin-Soelch, C.
    Michael, T.
    Oe, M.
    Olff, M.
    Örnkloo, Helena
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Prakash, K.
    Ramakrishnan, Muniarajan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Raghavan, V.
    Şar, V.
    Seedat, S.
    Spies, G.
    SusilKumar, V.
    Wadji, D. L.
    Wamser-Nanney, R.
    Haim-Nachum, S.
    Schnyder, U.
    Sopp, M. R.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Halligan, S. L.
    Social support and (complex) posttraumatic stress symptom severity: does gender matter?2024In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 15, no 1, article id 2398921Article in journal (Refereed)
    Abstract [en]

    Background: Perceived social support is an established predictor of post-traumatic stress disorder (PTSD) after exposure to a traumatic event. Gender is an important factor that could differentiate responses to social support, yet this has been little explored. Symptoms of complex PTSD are also common following trauma but have been under-researched in this context. Large scale studies with culturally diverse samples are particularly lacking.Objectives: In a multi-country sample, we examined: (a) gender differences in perceived social support and both posttraumatic stress symptom severity (PTSS) and complex posttraumatic stress symptom severity (CPTSS); (b) associations between social support and PTSS/CPTSS; and (c) the potential moderating role of gender in the relationship between perceived social support and trauma-related distress.Method: A total of 2483 adults (Mage = 30yrs, 69.9% females) from 39 countries, who had been exposed to mixed trauma types, completed the Multidimensional Scale of Perceived Social Support and the International Trauma Questionnaire (which captures PTSS/CPTSS). Regression analyses examined associations between gender, perceived social support, and PTSS/CPTSS; and tested for gender by social support interactions in predicting PTSS/CPTSS scores. Models were adjusted for age and socioeconomic status.Results: In our cross-country sample, females had greater PTSS/CPTSS than males (B = .23 [95% CI 0.16, 0.30], p < .001; B = .20 [0.12, 0.27], p < .001; respectively), but there was no evidence of gender differences in perceived social support (B = .05 [-0.05, 0.16], p = .33). For both genders, low perceived social support was associated with higher PTSS/CPTSS (females: B = -.16 [-0.20, -0.12], p < .001; B = -.27 [-0.30, -0.24], p < .001; respectively; males: B = -.22 [-0.29, -0.15], p < .001; B = -.31 [-0.36, -0.26], p < .001; respectively), and for PTSS only we found weak evidence that this association was stronger for males vs. females (B = .07 [0.04, 0.14, p = .04).Conclusion: Individuals who feel more socially supported have lower trauma-related distress, and this association is similar in males and females. PTSD/CPTSD interventions may benefit from augmenting perceived social support, regardless of gender.; In our multi-country sample, females show higher levels of (complex) posttraumatic stress symptom severity than males.There is no evidence of gender differences in perceived social support.Greater perceived social support is associated with lower (complex) posttraumatic stress symptom severity across both genders.

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  • 10. Fares-Otero, N. E.
    et al.
    Trautmann, S.
    Pfaltz, Monique C.
    Rodriguez-Jimenez, R.
    Letter to the Editor: Targeting adverse stress-related consequences of the COVID-19 crisis in individuals with psychotic disorders and childhood maltreatment2021In: Journal of Psychiatric Research, ISSN 0022-3956, E-ISSN 1879-1379, Vol. 138, p. 453-455Article in journal (Refereed)
  • 11. Haim-Nachum, S.
    et al.
    Sopp, M. R.
    Lüönd, A. M.
    Afzal, N.
    Åhs, Fredrik
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Allgaier, A. -K
    Arévalo, A.
    Asongwe, C.
    Bachem, R.
    Balle, S. R.
    Belete, H.
    Belete Mossie, T.
    Berzengi, A.
    Capraz, N.
    Ceylan, D.
    Dukes, D.
    Essadek, A.
    Fares-Otero, N. E.
    Halligan, S. L.
    Hemi, A.
    Iqbal, N.
    Jobson, L.
    Levy-Gigi, E.
    Martin-Soelch, C.
    Michael, T.
    Oe, M.
    Olff, M.
    Örnkloo, Helena
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Prakash, K.
    Quaatz, S. M.
    Raghavan, V.
    Ramakrishnan, Muniarajan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Reis, D.
    Şar, V.
    Schnyder, U.
    Seedat, S.
    Shihab, I. N.
    Vandhana, S.
    Wadji, D. L.
    Wamser, R.
    Zabag, R.
    Spies, G.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. University Hospital, University of Zurich, Zurich, Switzerland.
    Childhood maltreatment is linked to larger preferred interpersonal distances towards friends and strangers across the globe2024In: Translational Psychiatry, E-ISSN 2158-3188, Vol. 14, no 1, article id 339Article in journal (Refereed)
    Abstract [en]

    Childhood maltreatment (CM) is thought to be associated with altered responses to social stimuli and interpersonal signals. However, limited evidence exists that CM is linked to larger comfortable interpersonal distance (CID) – the physical distance humans prefer towards others during social interactions. However, no previous study has investigated this association in a comprehensive sample, yielding sufficient statistical power. Moreover, preliminary findings are limited to the European region. Finally, it is unclear how CM affects CID towards different interaction partners, and whether CID is linked to social functioning and attachment. To address these outstanding issues, adults (N = 2986) from diverse cultures and socio-economic strata completed a reaction time task measuring CID towards an approaching stranger and friend. Higher CM was linked to a larger CID towards both friends and strangers. Moreover, insecure attachment and less social support were associated with larger CID. These findings demonstrate for the first time that CM affects CID across countries and cultures, highlighting the robustness of this association.

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  • 12. Hashim, M.
    et al.
    Alimoradi, Z.
    Pakpour, A.
    Pfaltz, Monique
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Ansari, S.
    Asif, R.
    Iqbal, N.
    Association of Childhood Emotional Maltreatment with Adolescents’ Psychopathology: A Systematic Review and Meta-Analysis2024In: Trauma, Violence, & Abuse, ISSN 1524-8380, E-ISSN 1552-8324, Vol. 25, no 4, p. 2986-3004Article, review/survey (Refereed)
    Abstract [en]

    Childhood Emotional Maltreatment (CEM) is a significant but under-studied risk factor for impaired mental health, with adolescents being particularly susceptible. This systematic review and meta-analysis, prospectively registered in PROSPERO as CRD42022383005, aims to synthesize the findings of studies investigating the association between CEM and adolescent psychopathology, making it the first attempt to the best of our knowledge. Following Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 guidelines, a comprehensive search (PubMed, Scopus, PsycINFO, Science Direct, Embase, and ProQuest) yielded 12,224 studies, from which 72 were included in the qualitative synthesis. The meta-analysis was conducted on 76 effect sizes (ranging from 0.01 to 0.57) extracted from 56 studies. The assessment of publication bias utilized funnel plots, Egger’s regression test, and the trim and fill method, if required. Additionally, a predictor analysis investigated the influence of study-level variables on the CEM-psychopathology association. Results revealed a significant positive correlation between CEM and adolescent psychopathology (Pooled association: 0.24–0.41) Furthermore, assessment of publication bias indicated no significant bias. The predictor analysis suggested minimal influence of study-level variables. The study underscores the urgent need to address CEM as a crucial risk factor for adolescent psychopathology. The significant positive correlation between CEM and psychopathological outcomes highlights the detrimental effects of CEM on adolescents. Awareness, prevention efforts, and targeted interventions are essential to mitigate these effects. Further studies with culturally diverse and larger sample sizes are required, with emphasis on methodological rigor, given that most of the identified studies showed a high risk of bias. 

  • 13. Hashim, M.
    et al.
    Iqbal, N.
    Halligan, S.
    Alimoradi, Z.
    Pfaltz, Monique
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Farooqi, S. R.
    Khan, I.
    Galán, C. A.
    Vostanis, P.
    Association of Childhood Sexual Abuse with Adolescent’s Psychopathology: A Systematic Review and Meta-Analysis2024In: Trauma, Violence, & Abuse, ISSN 1524-8380, E-ISSN 1552-8324Article, review/survey (Refereed)
    Abstract [en]

    Childhood Sexual Abuse (CSA) poses a significant risk to mental health, especially among adolescents. This systematic review and meta-analysis investigates the association between CSA and adolescent psychopathology. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 guidelines, we conducted an extensive search across multiple databases, including PubMed, Scopus, PsycINFO, Science Direct, Embase, and ProQuest, resulting in 27,207 observational studies. From this pool, 87 studies (n: 189,393) were included in the qualitative synthesis and 78 studies were included in meta-analysis, discussing CSA and adolescent’s psychopathology Random effect model with Cohen’s d values were used to analyze data. To assess publication bias, funnel plots, Egger’s regression test, and the fill and trim method were employed, with no significant bias found. The results indicated a positive correlation between CSA and adolescent psychopathology, for example, depression, anxiety, PTSD, suicidal ideation, nonsuicidal self-injury, anger, substance use, and sexrelated behaviors (Pooled association: 0.13–0.25, 95% CI [0.04, 0.28]). Subgroup analysis showed the strongest association in clinical samples. Furthermore, the moderator analysis suggested minimal influence of study-level variables, as well as men showing higher levels of anger and suicidal ideation. The positive correlation between CSA and psychopathological outcomes highlights the detrimental effects of CSA on adolescents’ mental health. To mitigate these effects, increased awareness, prevention efforts, and targeted interventions are essential. 

  • 14. Hautle, L. -L
    et al.
    Kurath, J.
    Jellestad, L.
    Lüönd, A. M.
    Wingenbach, T. S. H.
    Jansson, Billy
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. University of Zurich, Zürich, Switzerland; University Hospital Zurich.
    Larger comfortable interpersonal distances in adults exposed to child maltreatment: The role of depressive symptoms and social anxiety2024In: British Journal of Psychology, ISSN 0007-1269, E-ISSN 2044-8295, Vol. 115, no 4, p. 599-615Article in journal (Refereed)
    Abstract [en]

    Previous studies report a preference for larger comfortable interpersonal distance (CIPD) in individuals with child maltreatment (CM) when being approached by others. Yet, research on approaching others, as opposed to being approached, as well as on potential effects of social anxiety and depression is lacking. We investigated if CM and depressive symptoms influence CIPD and if social anxiety mediates the possible association of CM and CIPD when approaching a female stranger. One hundred ten participants with CM (CM) and 58 participants without CM (non-CM) experiences performed the stop-distance paradigm and stopped first when feeling uncomfortable (D1) and again when feeling very uncomfortable (D2). CM experiences were associated with a preference for larger CIPD, independent of depressive symptoms. All CM subtypes were associated with a larger D2. The relationship between CM and CIPD was partially mediated by social anxiety. These novel findings can help to develop interventions strengthening socially relevant skills and processes in those affected by CM, targeting alterations in social anxiety and depression. 

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  • 15.
    Hautle, Lara-Lynn
    et al.
    Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Jellestad, Lena
    Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Schenkel, Sebastian
    Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Wingenbach, Tanja S. H.
    Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.;Univ Greenwich, Fac Educ Hlth & Human Sci, Sch Human Sci, London, England..
    Peyk, Peter
    Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Schnyder, Ulrich
    Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Weilenmann, Sonja
    Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland..
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.
    Adults with a history of childhood maltreatment with and without mental disorders show alterations in the recognition of facial expressions2023In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 14, no 2, article id 2214388Article in journal (Refereed)
    Abstract [en]

    Background: Individuals with child maltreatment (CM) experiences show alterations in emotion recognition (ER). However, previous research has mainly focused on populations with specific mental disorders, which makes it unclear whether alterations in the recognition of facial expressions are related to CM, to the presence of mental disorders or to the combination of CM and mental disorders, and on ER of emotional, rather than neutral facial expressions. Moreover, commonly, recognition of static stimulus material was researched. Objective: We assessed recognition of dynamic (closer to real life) negative, positive and neutral facial expressions in individuals characterised by CM, rather than a specific mental disorder. Moreover, we assessed whether they show a negativity bias for neutral facial expressions and whether the presence of one or more mental disorders affects recognition. Methods: Ninety-eight adults with CM experiences (CM+) and 60 non-maltreated (CM-) adult controls watched 200 non-manipulated coloured video sequences, showing 20 neutral and 180 emotional facial expressions, and indicated whether they interpreted each expression as neutral or as one of eight emotions. Results: The CM+ showed significantly lower scores in the recognition of positive, negative and neutral facial expressions than the CM- group (p < .050). Furthermore, the CM+ group showed a negativity bias for neutral facial expressions (p < .001). When accounting for mental disorders, significant effects stayed consistent, except for the recognition of positive facial expressions: individuals from the CM+ group with but not without mental disorder scored lower than controls without mental disorder. Conclusions: CM might have long-lasting influences on the ER abilities of those affected. Future research should explore possible effects of ER alterations on everyday life, including implications of the negativity bias for neutral facial expressions on emotional wellbeing and relationship satisfaction, providing a basis for interventions that improve social functioning.

  • 16.
    Hautle, Lara-Lynn
    et al.
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.;Univ Zurich, Med Fac, Zurich, Switzerland..
    Kurath, Jennifer
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.;Univ Zurich, Med Fac, Zurich, Switzerland..
    Jellestad, Lena
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.;Univ Zurich, Med Fac, Zurich, Switzerland..
    Luond, Antonia M.
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.;Univ Zurich, Med Fac, Zurich, Switzerland..
    Wingenbach, Tanja S. H.
    Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.;Univ Zurich, Med Fac, Zurich, Switzerland.;Univ Greenwich, Sch Human Sci, Fac Educ Hlth & Human Sci, London, England..
    Fruhholz, Sascha
    Univ Zurich, Dept Psychol Cognit & Affect Neurosci, Zurich, Switzerland..
    Jansson, Billy
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Niedtfeld, Inga
    Heidelberg Univ, Cent Inst Mental Hlth, Med Fac Mannheim, Dept Psychosomat Med, J5, D-68159 Mannheim, Germany..
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. Univ Hosp Zurich, Dept Consultat Liaison Psychiat & Psychosomat Med, Zurich, Switzerland.;Univ Zurich, Med Fac, Zurich, Switzerland.
    Individuals with and without child maltreatment experiences are evaluated similarly and do not differ in facial affect display at zero- and first-acquaintance2023In: Borderline Personality Disorder and Emotion Dysregulation, E-ISSN 2051-6673, Vol. 10, no 1, article id 17Article in journal (Refereed)
    Abstract [en]

    BackgroundIndividuals with a history of child maltreatment (CM) are more often disliked, rejected and victimized compared to individuals without such experiences. However, contributing factors for these negative evaluations are so far unknown.ObjectiveBased on previous research on adults with borderline personality disorder (BPD), this preregistered study assessed whether negative evaluations of adults with CM experiences, in comparison to unexposed controls, are mediated by more negative and less positive facial affect display. Additionally, it was explored whether level of depression, severity of CM, social anxiety, social support, and rejection sensitivity have an influence on ratings.MethodsForty adults with CM experiences (CM +) and 40 non-maltreated (CM-) adults were filmed for measurement of affect display and rated in likeability, trustworthiness, and cooperativeness by 100 independent raters after zero-acquaintance (no interaction) and 17 raters after first-acquaintance (short conversation).ResultsThe CM + and the CM- group were neither evaluated significantly different, nor showed significant differences in affect display. Contrasting previous research, higher levels of BPD symptoms predicted higher likeability ratings (p = .046), while complex post-traumatic stress disorder symptoms had no influence on ratings.ConclusionsThe non-significant effects could be attributed to an insufficient number of participants, as our sample size allowed us to detect effects with medium effect sizes (f(2) = .16 for evaluation; f(2) = .17 for affect display) with a power of .95. Moreover, aspects such as the presence of mental disorders (e.g., BPD or post-traumatic stress disorder), might have a stronger impact than CM per se. Future research should thus further explore conditions (e.g., presence of specific mental disorders) under which individuals with CM are affected by negative evaluations as well as factors that contribute to negative evaluations and problems in social relationships.

  • 17. Heshmati, R.
    et al.
    Kheiriabad, M.
    Azmoodeh, S.
    Ghasemi, A.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Pathways Linking Parental Care and Control to Loneliness in Breast Cancer Patients with A History of Childhood Maltreatment: Exploring the Mediating Roles of Ambivalence Over Emotional Expression and Self-Discrepancy2024In: Journal of Interpersonal Violence, ISSN 0886-2605, E-ISSN 1552-6518, Vol. 39, no 9-10, p. 2261-2289Article in journal (Refereed)
    Abstract [en]

    Childhood maltreatment is a risk factor for loneliness and is linked to breast cancer. Parental bonding experienced during one’s childhood also plays a significant role in increasing or decreasing the risk of loneliness later in life. Previous research has highlighted the significance of ambivalence over emotional expression (AEE) and self-discrepancy in the psychological adaptation of breast cancer patients, particularly concerning the impact of parental care and control experienced by patients in their relationship with their parents during childhood. Nevertheless, previous studies have not examined the mediating effects of AEE and self-discrepancy on parental care and control, as well as loneliness, in breast cancer patients. This study aimed to investigate whether AEE and self-discrepancy mediate the association of childhood parental care and control with loneliness in breast cancer patients with a history of childhood maltreatment. One hundred and thirty-three breast cancer patients who were receiving chemotherapy within the first 3 months post-diagnosis were recruited from one private and three public hospitals in Tabriz, Iran, to complete questionnaires. Parental bonding, loneliness, AEE, and self-discrepancy were assessed using the Parental Bonding Instrument (PBI), University of California Los Angeles (UCLA) Loneliness Scale, Ambivalence over the Expression of Emotion Questionnaire (AEQ), and Self-Discrepancies Scale (S-DS). Mediation models were tested using structural equation modeling. Effects of parental care (β = −.17, p <.05) and control (β =.21, p <.001) on loneliness were significant. Furthermore, both AEE (β =.19, p <.05) and self-discrepancy (β =.23, p <.01) significantly predicted loneliness. The pathway between parental care and AEE was significant (β = −.21, p <.001), as was the direct effect of parental control on self-discrepancy (β =.19, p <.05). Bootstrapping results showed that AEE significantly mediated the relationship between parental care and loneliness (95% confidence interval [CI] [−0.09, −0.01]). In addition, there was a significant indirect effect from parental control to loneliness via self-discrepancy (95% CI [0.11, 0.01]). These findings suggest that AEE and self-discrepancy could potentially be utilized in preventing or addressing loneliness in breast cancer patients who have a history of childhood maltreatment. Future research could, for example, assess whether integrating psychosocial interventions focusing on these variables as part of medical care can improve the mental health status of this subgroup of breast cancer patients who have experienced childhood maltreatment. 

  • 18.
    Hoffman, Joel
    et al.
    School of Psychology, UNSW Australia, Sydney, Australia.
    Ben-Zion, Ziv
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA;US Department of Veterans Affairs National Center for PTSD, VA Connecticut, Healthcare System, West Haven, CT, USA.
    Arévalo, Adrián
    Facultad de Medicina & Neuron Research Group Lima, Universidad de Piura, Lima, Perú;Facultad de Medicina “San Fernando”, Universidad Nacional Mayor de San Marcos, Lima, Perú.
    Duek, Or
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA;US Department of Veterans Affairs National Center for PTSD, VA Connecticut, Healthcare System, West Haven, CT, USA.
    Greene, Talya
    Department of Community Mental Health, University of Haifa, Haifa, Israel.
    Hall, Brian J.
    Center for Global Health equity, New York University (Shanghai), Shanghai, People’s Republic of China;School of Global Public Health, New York University, New York, NY, USA.
    Harpaz-Rotem, Ilan
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA;US Department of Veterans Affairs National Center for PTSD, VA Connecticut, Healthcare System, West Haven, CT, USA.
    Liddell, Belinda
    School of Psychology, UNSW Australia, Sydney, Australia.
    Locher, Cosima
    Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
    Morina, Naser
    Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
    Nickerson, Angela
    School of Psychology, UNSW Australia, Sydney, Australia.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Schick, Matthis
    Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
    Schnyder, Ulrich
    University of Zurich, Zurich, Switzerland.
    Seedat, Soraya
    Department of Psychiatry, Faculty of Health Sciences, Stellenbosch University, Cape Town, South Africa.
    Shatri, Fatlinda
    Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
    Sit, Hao Fong
    Department of Psychology, Faculty of Social Sciences, The University of Hong Kong, Hong Kong, People’s Republic of China.
    von Känel, Roland
    Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
    Spiller, Tobias R.
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA;US Department of Veterans Affairs National Center for PTSD, VA Connecticut, Healthcare System, West Haven, CT, USA;Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
    Mapping the availability of translated versions of posttraumatic stress disorder screening questionnaires for adults: A scoping review2022In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 13, no 2, article id 2143019Article, review/survey (Refereed)
    Abstract [en]

    Background: The most used questionnaires for PTSD screening in adults were developed in English. Although many of these questionnaires were translated into other languages, the procedures used to translate them and to evaluate their reliability and validity have not been consistently documented. This comprehensive scoping review aimed to compile the currently available translated and evaluated questionnaires used for PTSD screening, and highlight important gaps in the literature.

    Objective: This review aimed to map the availability of translated and evaluated screening questionnaires for posttraumatic stress disorder (PTSD) for adults.

    Methods: All peer-reviewed studies in which a PTSD screening questionnaire for adults was translated, and which reported at least one result of a qualitative and /or quantitative evaluation procedure were included. The literature was searched using Embase, MEDLINE, and APA PsycInfo, citation searches and contributions from study team members. There were no restrictions regarding the target languages of the translations. Data on the translation procedure, the qualitative evaluation, the quantitative evaluation (dimensionality of the questionnaire, reliability, and performance), and open access were extracted.

    Results: A total of 866 studies were screened, of which 126 were included. Collectively, 128 translations of 12 different questionnaires were found. Out of these, 105 (83.3%) studies used a forward and backward translation procedure, 120 (95.2%) assessed the reliability of the translated questionnaire, 60 (47.6%) the dimensionality, 49 (38.9%) the performance, and 42 (33.3%) used qualitative evaluation procedures. Thirty-four questionnaires (27.0%) were either freely available or accessible on request.

    Conclusions: The analyses conducted and the description of the methods and results varied substantially, making a quality assessment impractical. Translations into languages spoken in middle- or low-income countries were underrepresented. In addition, only a small proportion of all translated questionnaires were available. Given the need for freely accessible translations, an online repository was developed.

  • 19. Holz, E.
    et al.
    Lass-Hennemann, J.
    Streb, M.
    Pfaltz, Monique C.
    Michael, T.
    Effects of acute cortisol administration on perceptual priming of trauma-related material2014In: PLOS ONE, E-ISSN 1932-6203, Vol. 9, no 9Article in journal (Refereed)
    Abstract [en]

    Intrusive memories are a hallmark symptom of posttraumatic stress disorder (PTSD). They reflect excessive and uncontrolled retrieval of the traumatic memory. Acute elevations of cortisol are known to impair the retrieval of already stored memory information. Thus, continuous cortisol administration might help in reducing intrusive memories in PTSD. Strong perceptual priming for neutral stimuli associated with a "traumatic" context has been shown to be one important learning mechanism that leads to intrusive memories. However, the memory modulating effects of cortisol have only been shown for explicit declarative memory processes. Thus, in our double blind, placebo controlled study we aimed to investigate whether cortisol influences perceptual priming of neutral stimuli that appeared in a "traumatic" context. Two groups of healthy volunteers (N = 160) watched either neutral or "traumatic" picture stories on a computer screen. Neutral objects were presented in between the pictures. Memory for these neutral objects was tested after 24 hours with a perceptual priming task and an explicit memory task. Prior to memory testing half of the participants in each group received 25 mg of cortisol, the other half received placebo. In the placebo group participants in the "traumatic" stories condition showed more perceptual priming for the neutral objects than participants in the neutral stories condition, indicating a strong perceptual priming effect for neutral stimuli presented in a "traumatic" context. In the cortisol group this effect was not present: Participants in the neutral stories and participants in the "traumatic" stories condition in the cortisol group showed comparable priming effects for the neutral objects. Our findings show that cortisol inhibits perceptual priming for neutral stimuli that appeared in a "traumatic" context. These findings indicate that cortisol influences PTSD-relevant memory processes and thus further support the idea that administration of cortisol might be an effective treatment strategy in reducing intrusive reexperiencing. © 2014 Holz et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

  • 20. Kempf, W.
    et al.
    Kutzner, H.
    Cozzio, A.
    Sander, C. A.
    Pfaltz, Monique C.
    Müller, B.
    Pfaltz, M
    MUM1 expression in cutaneous CD30+ lymphoproliferative disorders: A valuable tool for the distinction between lymphomatoid papulosis and primary cutaneous anaplastic large-cell lymphoma2008In: British Journal of Dermatology, ISSN 0007-0963, E-ISSN 1365-2133, Vol. 158, no 6, p. 1280-1287Article in journal (Refereed)
    Abstract [en]

    Background: Primary cutaneous CD30+ lymphoproliferative disorders include lymphomatoid papulosis (LyP) and primary cutaneous CD30+ anaplastic large T-cell lymphoma (ALCL). Because of overlapping histological features, it is impossible to distinguish ALCL from LyP on histological grounds. MUM1 (Multiple Myeloma oncogene 1) is expressed in systemic ALCL and classical Hodgkin lymphoma. MUM1 expression has not been studied in detail in CD30+ lymphoproliferative disorders. Objectives: To examine the expression of MUM1 in CD30+ lymphoproliferative disorders and to assess its value as a diagnostic marker. Methods: Thirty-one formalin-fixed paraffin-embedded specimens of LyP (n = 15), primary cutaneous ALCL (n = 10), secondary cutaneous infiltrates of systemic ALCL (n = 4) and secondary cutaneous Hodgkin lymphoma (n = 2) were analysed by immunohistochemistry with a monoclonal antibody against MUM1. Results Results: Positive staining for MUM1 was observed in 13 cases of LyP (87%), two cases of primary cutaneous ALCL (20%), four cases of secondary cutaneous ALCL (100%) and two cases of secondary cutaneous Hodgkin lymphoma (100%). In 11 of 13 LyP cases (85%), MUM1 was displayed by the majority, i.e. 50-90%, of the tumour cells. In contrast to LyP and secondary cutaneous ALCL, only two cases of primary cutaneous ALCL (20%) harboured MUM1-positive tumour cells. There was a statistically significant difference in the expression of MUM1 between LyP and primary cutaneous ALCL (P = 0.002) and between primary cutaneous ALCL and secondary cutaneous ALCL (P = 0.015). Conclusions: MUM1 expression is a valuable tool for the distinction of LyP and ALCL and thus represents a novel adjunctive diagnostic marker in CD30+ lymphoproliferative disorders. © 2008 The Authors.

  • 21. Kirsch, A.
    et al.
    Spang, J.
    Schäfer, S. K.
    Pfaltz, Monique C.
    Krause, R.
    Sachsse, U.
    Michael, T.
    Mimikveränderungen während einer Traumatherapie: Explorative Studie zum Zusammenhang mimisch-affektiver Veränderungen mit therapeutischen Outcomes2018In: Psychotherapeut (Berlin), ISSN 0935-6185, E-ISSN 1432-2080, Vol. 63, no 1, p. 49-54Article in journal (Refereed)
    Abstract [en]

    Background: Clinicians frequently describe changes in facial affective behavior during the treatment of posttraumatic stress disorder (PTSD). An increase in facial affective behavior is seen in association with a reduction of numbing symptoms. Objective: The purpose of this exploratory study was to demonstrate the changes in facial affective behavior (especially negative affects) during inpatient eye movement desensitization and reprocessing (EMDR) treatment and to examine to what extent these changes correspond to shifts in symptom severity. Material and methods: Facial affective behavior was coded during therapeutic sessions for 16 patients who were chronically traumatized during their youth, using the facial action coding system (FACS) for 3 time points, before, during and 1 year after treatment with EMDR. Data of the impact of event scale revised (IES-R), the symptom checklist (SCL-90-R), Beck depression inventory (BDI-V) and a questionnaire for dissociative symptoms (FDS) was documented for 16 female patients with a mean age of 39 years (SD = ±10). Results and conclusion: There was a significant change in facial affective behavior during and after treatment (χ2(2) = 5.73, p = 0.030). Total facial affective behavior and the expression of negative affect significantly increased 1 year after therapy; however, there were no significant correlations between the change of facial affective behavior during EMDR treatment and relevant outcome variables. Further research will show if monitoring facial affective behavior is useful to assess therapeutic success, especially with respect to social interactions. © 2017, Springer Medizin Verlag GmbH.

  • 22. Kiselev, N.
    et al.
    Morina, N.
    Schick, M.
    Watzke, B.
    Schnyder, U.
    Pfaltz, Monique C.
    Barriers to access to outpatient mental health care for refugees and asylum seekers in Switzerland: The therapist’s view2020In: BMC Psychiatry, E-ISSN 1471-244X, Vol. 20, no 1Article in journal (Refereed)
    Abstract [en]

    Background: More than 120,000 refugees and asylum seekers are currently living in Switzerland. The prevalence of mental disorders among this population is significantly higher than that in the general population. While effective treatment options and cross-cultural, specialized treatment centers exist, they tend to be overloaded by their target populations. General outpatient primary health care providers might be able to compensate for the lack of specialized treatment slots. To date, however, it is unknown how often and under what conditions (e.g., length of waiting lists) refugees and asylum seekers are treated outside of specialized centers and whether there are barriers that prevent providers in outpatient settings from treating more patients in this subgroup. The present study aimed to assess the challenges and barriers faced by psychiatrists and psychotherapists working in outpatient settings in Switzerland in treating refugees and asylum seekers to determine the potential capacity of this group to provide mental health care. Methods: An online survey was conducted during the winter of 2017/2018. The survey was constructed in three official languages and took 10-15 min to complete. Spearman’s correlations, Mann-Whitney U-Tests, and Chi-squared tests were conducted to analyze the data. Results: Eight hundred and sixty-seven (N = 867) psychotherapists and psychiatrists working in outpatient settings completed the survey: 43% of them reported having treated between 1 and 9 refugees or asylum seekers in the past 12 months, and a further 13% reported treating 10 or more. Interpreters were used for almost every other patient with a refugee or asylum-seeker background. At the same time, the funding of interpreters, as well as the funding of treatment in general, were reported to be the biggest hurdles to treating more refugees and asylum seekers. Conclusions: Given the low number of patients rejected for capacity reasons (between 2 and 5%) and the median waiting times for the admission of new patients ranging between 2 and 3 weeks, outpatient primary mental health care providers might treat more refugees and asylum seekers and relieve specialized treatment centers. However, barriers such as lack of funding of interpreters seem to hinder them. Appropriate steps by the authorities are needed to improve the current situation. © 2020 The Author(s).

  • 23. Kiselev, N.
    et al.
    Pfaltz, Monique C.
    Haas, F.
    Schick, M.
    Kappen, M.
    Sijbrandij, M.
    De Graaff, A. M.
    Bird, M.
    Hansen, P.
    Ventevogel, P.
    Fuhr, D. C.
    Schnyder, U.
    Morina, N.
    Structural and socio-cultural barriers to accessing mental healthcare among Syrian refugees and asylum seekers in Switzerland2020In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 11, no 1Article in journal (Refereed)
    Abstract [en]

    Background: Due to their experiences of major stressful life events, including post-displacement stressors, refugees and asylum seekers are vulnerable to developing mental health problems. Yet, despite the availability of specialized mental health services in Western European host countries, refugees and asylum seekers display low mental healthcare utilization. Objective: The aim of this study was to explore structural and socio-cultural barriers to accessing mental healthcare among Syrian refugees and asylum seekers in Switzerland. Method: In this qualitative study, key-informant (KI) interviews with Syrian refugees and asylum seekers, Swiss healthcare providers and other stakeholders (e.g. refugee coordinators or leaders) were conducted in the German-speaking part of Switzerland. Participants were recruited using snowball sampling. Interviews were audiotaped and transcribed, and then analysed using thematic analysis, combining deductive and inductive coding. Results: Findings show that Syrian refugees and asylum seekers face multiple structural and socio-cultural barriers, with socio-cultural barriers being perceived as more pronounced. Syrian key informants, healthcare providers, and other stakeholders identified language, gatekeeper-associated problems, lack of resources, lack of awareness, fear of stigma and a mismatch between the local health system and perceived needs of Syrian refugees and asylum seekers as key barriers to accessing care. Conclusions: The results show that for Syrian refugees and asylum seekers in Switzerland several barriers exist. This is in line with previous findings. A possible solution for the current situation might be to increase the agility of the service system in general and to improve the willingness to embrace innovative paths, rather than adapting mental healthcare services regarding single barriers and needs of a new target population. © 2020, © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

  • 24. Kiselev, N.
    et al.
    Pfaltz, Monique C.
    Schick, M.
    Bird, M.
    Pernille, H.
    Sijbrandij, M.
    de Graaff, A. M.
    Schnyder, U.
    Morina, N.
    Problems faced by Syrian refugees and asylum seekers in Switzerland2020In: Swiss Medical Weekly, ISSN 1424-7860, E-ISSN 1424-3997, Vol. 150Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Refugees and asylum seekers are susceptible to developing common mental disorders due to their exposure to stressful experiences before, during and after their flight. The Syrian Civil War, which started in 2011, has led to a massive number of Syrians seeking refuge and asylum in European countries, including Switzerland. Currently, Syrians are the second-largest refugee and asylum-seeking population in Switzerland. However, very little is known about the problems faced by this new population in Switzerland and their needs relating to mental health services. Identifying the problems faced by this community is crucial to providing adapted and tailored mental health services to Syrian refugees in Switzerland. AIM OF HE STUDY: The current study aimed to identify problems that Syrian refugees and asylum seekers face daily while living in Switzerland in order to inform the adaptation of a brief psychological intervention. METHODS: We used a cross-sectional, qualitative design and collected data according to The Manual for Design, Implementation, Monitoring and Evaluation of Mental Health and Psychosocial Assistance Programs for Trauma Survivors in order to identify problems perceived by the target population. Free-listing, open-ended interviews were conducted with 30 adult Syrian refugees and asylum seekers and analyzed using thematic analysis. RESULTS: The results show that besides physical health problems, Syrians experience primarily two types of problems: practical and psychological (emotional) problems. These two types of problems are closely interrelated. The most common practical problems (problems with government and authorities, problems related to residence permits, problems with integration, cultural differences, language problems, problems related to education, problems related to employment, and problems with housing) were reported by almost half of all participants. Symptoms of mental disorders and feelings of uncertainty, frustration and injustice were the most common psychological problems and were mentioned by more than one third of the participants. The finding that almost half of the participants reported typical symptoms of mental health disorders suggests that a considerable number of Syrian refugees and asylum seekers might need mental healthcare. CONCLUSIONS: Authorities, practitioners and researchers should recognize that Syrian refugees and asylum seekers are strongly affected by a broad range of problems. Besides practical problems, they suffer a multitude of psychological problems, and a significant number of them report, among other issues, symptoms of mental health disorders. Officials working with this population should be aware of this vulnerability and be prepared to refer clients in need of mental healthcare to mental healthcare providers. Moreover, the significant variety and number of problems experienced by this population should be taken into consideration when developing solutions tailored to their needs. BACKGROUND: Refugees and asylum seekers are susceptible to developing common mental disorders due to their exposure to stressful experiences before, during and after their flight. The Syrian Civil War, which started in 2011, has led to a massive number of Syrians seeking refuge and asylum in European countries, including Switzerland. Currently, Syrians are the second-largest refugee and asylum-seeking population in Switzerland. However, very little is known about the problems faced by this new population in Switzerland and their needs relating to mental health services. Identifying the problems faced by this community is crucial to providing adapted and tailored mental health services to Syrian refugees in Switzerland. AIM OF HE STUDY: The current study aimed to identify problems that Syrian refugees and asylum seekers face daily while living in Switzerland in order to inform the adaptation of a brief psychological intervention. METHODS: We used a cross-sectional, qualitative design and collected data according to The Manual for Design, Implementation, Monitoring and Evaluation of Mental Health and Psychosocial Assistance Programs for Trauma Survivors in order to identify problems perceived by the target population. Free-listing, open-ended interviews were conducted with 30 adult Syrian refugees and asylum seekers and analyzed using thematic analysis. RESULTS: The results show that besides physical health problems, Syrians experience primarily two types of problems: practical and psychological (emotional) problems. These two types of problems are closely interrelated. The most common practical problems (problems with government and authorities, problems related to residence permits, problems with integration, cultural differences, language problems, problems related to education, problems related to employment, and problems with housing) were reported by almost half of all participants. Symptoms of mental disorders and feelings of uncertainty, frustration and injustice were the most common psychological problems and were mentioned by more than one third of the participants. The finding that almost half of the participants reported typical symptoms of mental health disorders suggests that a considerable number of Syrian refugees and asylum seekers might need mental healthcare. CONCLUSIONS: Authorities, practitioners and researchers should recognize that Syrian refugees and asylum seekers are strongly affected by a broad range of problems. Besides practical problems, they suffer a multitude of psychological problems, and a significant number of them report, among other issues, symptoms of mental health disorders. Officials working with this population should be aware of this vulnerability and be prepared to refer clients in need of mental healthcare to mental healthcare providers. Moreover, the significant variety and number of problems experienced by this population should be taken into consideration when developing solutions tailored to their needs. BACKGROUND: Refugees and asylum seekers are susceptible to developing common mental disorders due to their exposure to stressful experiences before, during and after their flight. The Syrian Civil War, which started in 2011, has led to a massive number of Syrians seeking refuge and asylum in European countries, including Switzerland. Currently, Syrians are the second-largest refugee and asylum-seeking population in Switzerland. However, very little is known about the problems faced by this new population in Switzerland and their needs relating to mental health services. Identifying the problems faced by this community is crucial to providing adapted and tailored mental health services to Syrian refugees in Switzerland. AIM OF HE STUDY: The current study aimed to identify problems that Syrian refugees and asylum seekers face daily while living in Switzerland in order to inform the adaptation of a brief psychological intervention. METHODS: We used a cross-sectional, qualitative design and collected data according to The Manual for Design, Implementation, Monitoring and Evaluation of Mental Health and Psychosocial Assistance Programs for Trauma Survivors in order to identify problems perceived by the target population. Free-listing, open-ended interviews were conducted with 30 adult Syrian refugees and asylum seekers and analyzed using thematic analysis. RESULTS: The results show that besides physical health problems, Syrians experience primarily two types of problems: practical and psychological (emotional) problems. These two types of problems are closely interrelated. The most common practical problems (problems with government and authorities, problems related to residence permits, problems with integration, cultural differences, language problems, problems related to education, problems related to employment, and problems with housing) were reported by almost half of all participants. Symptoms of mental disorders and feelings of uncertainty, frustration and injustice were the most common psychological problems and were mentioned by more than one third of the participants. The finding that almost half of the participants reported typical symptoms of mental health disorders suggests that a considerable number of Syrian refugees and asylum seekers might need mental healthcare. CONCLUSIONS: Authorities, practitioners and researchers should recognize that Syrian refugees and asylum seekers are strongly affected by a broad range of problems. Besides practical problems, they suffer a multitude of psychological problems, and a significant number of them report, among other issues, symptoms of mental health disorders. Officials working with this population should be aware of this vulnerability and be prepared to refer clients in need of mental healthcare to mental healthcare providers. Moreover, the significant variety and number of problems experienced by this population should be taken into consideration when developing solutions tailored to their needs.

  • 25. Kossowsky, J.
    et al.
    Pfaltz, Monique C.
    Schneider, S.
    Taeymans, J.
    Locher, C.
    Gaab, J.
    The separation anxiety hypothesis of panic disorder revisited: A meta-analysis2013In: American Journal of Psychiatry, ISSN 0002-953X, E-ISSN 1535-7228, Vol. 170, no 7, p. 768-781Article in journal (Refereed)
    Abstract [en]

    Objective: Evidence suggests that childhood separation anxiety disorder may be associated with a heightened risk for the development of other disorders in adulthood. The authors conducted a metaanalysis to examine the relationship between childhood separation anxiety disorder and future psychopathology. Method: PubMed, PsycINFO, and Embase were searched for studies published through December 2011. Case-control, prospective, and retrospective cohort studies comparing children with and without separation anxiety disorder with regard to future panic disorder, major depressive disorder, any anxiety disorder, and substance use disorders were included in the analysis. Effects were summarized as pooled odds ratios in a random-effects model. Results: Twenty-five studies met all inclusion criteria (14,855 participants). A metaanalysis of 20 studies indicated that children with separation anxiety disorder weremore likely to develop panic disorder later on (odds ratio=3.45; 95% CI=2.37-5.03). Five studies suggested that a childhood diagnosis of separation anxiety disorder increases the risk of future anxiety (odds ratio=2.19; 95% CI=1.40-3.42). After adjusting for publication bias, the results of 14 studies indicated that childhood separation anxiety disorder does not increase the risk of future depression (odds ratio=1.06; 95% CI=0.78- 1.45). Five studies indicated that childhood separation anxiety disorder does not increase the risk of substance use disorders (odds ratio=1.27; 95% CI=0.80-2.03). Of the subgroup analyses performed, differences in comparison groups and sample type significantly affected odds ratio sizes. Conclusions: A childhood diagnosis of separation anxiety disorder significantly increases the risk of panic disorder and any anxiety disorder. These results support a developmental psychopathology conceptualization of anxiety disorders.

  • 26. Kutzner, H.
    et al.
    Kerl, H.
    Pfaltz, Monique C.
    Kempf, W.
    CD123-positive plasmacytoid dendritic cells in primary cutaneous marginal zone b-cell lymphoma: Diagnostic and pathogenetic implications2009In: American Journal of Surgical Pathology, ISSN 0147-5185, E-ISSN 1532-0979, Vol. 33, no 9, p. 1307-1313Article in journal (Refereed)
    Abstract [en]

    The histogenesis of primary cutaneous marginal zone B-cell lymphoma (PCMZL) has not yet been clarified. Plasmacytoid dendritic cells (PDC) play a crucial role in the initiation of immune responses and activation of T-cells and B-cells. We analyzed the presence of PDC by immunohistochemistry in various forms of primary cutaneous B-cell lymphomas and in B-cell pseudolymphomas. Clusters of CD123 PDC were observed in all PCMZL (23 of 23 cases; 100%) and in two-thirds of cutaneous B-cell pseudolymphomas (14 of 22; 64%), but only in a minority of primary cutaneous follicle center lymphoma (4 of 31; 13%) and not in primary cutaneous diffuse large B-cell lymphoma, leg type. CD123+ PDC clusters were found in close proximity to monoclonal plasma cells and T-cells and were already present at high numbers in early lesions and initial recurrences of PCMZL. In conclusion, the detection of larger clusters of PDC in PCMZL provides a useful adjunctive diagnostic marker and suggests a pathogenetically relevant role of these cells in PCMZL. Furthermore, the occurrence of PDC could explain the high number of T-cells typically found in PCMZL. We propose considering PCMZL as a unique and potentially antigen-driven neoplasm with PDC, T-cells, and B-cells as the constitutive tumor components. Copyright © 2009 by Lippincott Williams & Wilkins.

  • 27.
    Lehmivaara, Jörgen
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Jansson, Billy
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Psychometric Evaluation of the Swedish Version of the Types of Positive Affect Scale2024In: Psychological Test Adaptation and Development, ISSN 2698-1866, Vol. 5, no 1, p. 242-250Article in journal (Refereed)
    Abstract [en]

    Differentiating between various types of positive affect (PA), such as excitement, relaxation, safeness, and contentment, is important when assessing mental health. However, validated instruments measuring these types of PA are scarce, and in a Swedish context, they are nonexisting. Thus, the present study assesses the psychometric properties of the translated Swedish version of the Types of PA Scale (TPAS) using a sample of 440 Swedish adults. Corroborating previous research, confirmatory factor analyses supported a modified three-factor model (Activated PA, Relaxed PA, Safe/Content PA), showing good reliability, good convergent validity, and satisfactory discriminant validity of the factors. Furthermore, the TPAS demonstrates measurement invariance across demographics (age, gender, and education) and exhibits satisfactory construct validity by distinguishing between PA, NA and State-Trait Anxiety. Hence, the Swedish TPAS is a valid tool for measuring types of PA in the adult population of Sweden, with potential areas for improvement being discussed. 

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  • 28. Lüönd, A. M.
    et al.
    Thoma, M. F.
    Spiller, T. R.
    Weilenmann, S.
    Jansson, Billy
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. University of Zurich, Zurich, Switzerland.
    Construct validity of the German version of the Emotion Reactivity Scale2023In: BMC Psychology, E-ISSN 2050-7283, Vol. 11, no 1, article id 423Article in journal (Refereed)
    Abstract [en]

    Background: Emotional reactivity is an important construct to consider when studying mental disorders. This study was conducted to translate and assess the factor structure, construct validity and internal consistency of a German version of the Emotion Reactivity Scale (ERS), which is an originally English questionnaire assessing three components of emotional reactivity: sensitivity, intensity and persistence of emotions. Methods: The German ERS and a range of questionnaires used to assess convergent and discriminant validity were completed by 334 German speaking Swiss participants. Results: Confirmatory factor analysis showed strong support for a bi-factor model, with evaluation indices pointing to a unidimensional construct rather than to domain specific factors. The questionnaire showed good reliability and the factor structure was similar across gender. The ERS showed convergent validity with general psychopathology, behavioral inhibition, negative affect, orienting sensitivity, depressive symptoms and symptoms of disordered eating, and discriminant validity with behavioral activation and alcohol consumption. Conclusions: Findings support the construct validity of the German ERS and suggest that it assesses a unidimensional construct with high internal consistency. Accounting for the unidimensional nature of the scale and aiming for efficient assessment tools, future research could, based on these findings, develop and evaluate the psychometric properties of a short version of the ERS. 

  • 29.
    Lüönd, Antonia M.
    et al.
    University of Zurich, Zürich, Switzerland.
    Wolfensberger, Lukas
    University of Zurich, Zürich, Switzerland.
    Wingenbach, Tanja S. H.
    University of Zurich, Zürich, Switzerland.
    Schnyder, Ulrich
    University of Zurich, Zürich, Switzerland.
    Weilenmann, Sonja
    University of Zurich, Zürich, Switzerland.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. University of Zurich, Zürich, Switzerland.
    Don’t get too close to me: depressed and non-depressed survivors of child maltreatment prefer larger comfortable interpersonal distances towards strangers2022In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 13, no 1, article id 2066457Article in journal (Refereed)
    Abstract [en]

    Background: Childhood maltreatment (CM) is frequently linked to interpersonal problemssuch as difficulties in social relationships, loneliness, and isolation. These difficulties mightpartly stem from troubles regulating comfortable interpersonal distance (CIPD).Objective: We experimentally investigated whether CM manifests in larger CIPD and whetherall subtypes of CM (i.e., physical, emotional, or sexual abuse and physical or emotional neglect)affect CIPD.Methods: Using the stop-distance method (i.e. a team member approached participants untilthe latter indicated discomfort), we assessed CIPD in 84 adults with a self-reported history ofCM (24 with depressive symptoms) and 57 adult controls without a history of CM (withoutdepressive symptoms).Results: Adults with CM showed a larger CIPD (Mdn = 86 cm) than controls (Mdn = 68 cm), andCIPD was largest for those with CM combined with current depressive symptoms (Mdn =145 cm) (p’s < .047). In the latter group, all subtypes of CM were associated with a largerCIPD compared to controls (p’s < .045). In the CM group without depressive symptoms, onlythose with emotional abuse (p = .040) showed a larger CIPD than controls.Conclusions: These results add to findings of differential socio-emotional long-termconsequences of CM, depending upon the subtype of CM. Future research should explorewhether a larger CIPD has a negative impact on social functioning in individuals exposed toCM, particularly in those with depressive symptoms.

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  • 30. Mitteldorf, C.
    et al.
    Berisha, A.
    Pfaltz, Monique C.
    Broekaert, S. M. C.
    Schän, M. P.
    Kerl, K.
    Kempf, W.
    Tumor Microenvironment and Checkpoint Molecules in Primary Cutaneous Diffuse Large B-Cell Lymphoma - New Therapeutic Targets2017In: American Journal of Surgical Pathology, ISSN 0147-5185, E-ISSN 1532-0979, Vol. 41, no 7, p. 998-1004Article in journal (Refereed)
    Abstract [en]

    Programmed death ligand 1 (PD-L1) is expressed by 20% to 57% of systemic diffuse large B cell lymphomas (DLBCLs). PD-L1 expression in primary cutaneous DLBCL (pcDLBCL) has not been studied so far. Sixteen paraffin-embedded tissue samples of pcDLBCL (13 leg type [LT], 3 others [OT]) were investigated for PD-1, PD-L1, and CD33 expression and the cellular composition of the tumor microenvironment, focusing on myeloid-derived suppressor cells (MDSCs) and tumor-associated macrophages. Membrane-bound PD-L1 expression by the tumor cells was observed in all samples, albeit to a variable extent (19.9%). As expected, most DLBCL-LT (10 cases) were classified as activated B cell like type, with a higher PD-L1 score (21.9%) compared with that of the germinal center B cell like type (7.7%). The surrounding infiltrate consisted predominately of CD163(+) M2 rather than CD68(+) macrophages (CD68:CD163=1:4 to 6). Moreover, a considerable proportion of CD33(+) MDSCs with PD-L1 coexpression was admixed. Tumor cells expressed CD33 to variable degrees (2% to 60%). The number of MDSCs or M2 macrophages did not correlate with pcDLBCL subtypes LT or OT. T cells were only a minor component of the tumor microenvironment. We propose that PD-L1(+) tumor cells and PD-L1(+) MDSCs shield the tumor against PD-1(+) tumor-infiltrating lymphocytes, consequently leading to inhibition and diminution of tumor-infiltrating lymphocytes. Moreover, we found a polarization to M2 macrophages, which may contribute to the poor prognosis of DLBCL patients. Thus, targeting of tumor cells and MDSCs using anti-PD-1/anti-PD-L1 or anti-CD33 antibodies might be a worthwhile new approach to treat this aggressive form of cutaneous B-cell lymphoma. © 2017 Wolters Kluwer Health, Inc. All rights reserved.

  • 31. Mitteldorf, C.
    et al.
    Berisha, A.
    Tronnier, M.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Kempf, W.
    PD-1 and PD-L1 in neoplastic cells and the tumor microenvironment of Merkel cell carcinoma2017In: Journal of cutaneous pathology, ISSN 0303-6987, E-ISSN 1600-0560, Vol. 44, no 9, p. 740-746Article in journal (Refereed)
    Abstract [en]

    Background: Merkel cell carcinoma (MCC) is an aggressive neoplasm, which is often associated with Merkel cell polyomavirus (MCPyV). Programmed death-1 (PD-1) and its ligand PD-L1 are key players of the tumor microenvironment (TME). Methods: Fourteen paraffin-embedded tissue samples of MCC were stratified by their MCPyV detection. Apart from PD-L1 and PD-1, the TME was further characterized for the expression of CD33, FOXP3 and MxA. Results: We observed PD-1 in 2 of 12 tumors. PD-L1 expression by tumor cells was found in 7 of 8 MCPyV(+) samples and was detected particularly in the periphery. The tumor cells were surrounded by a shield of PD-L1/CD33 immune cells. Expression of PD-L1 by the tumor cells was higher in areas with a denser immune infiltrate. CD33(+) cells without direct tumor contact were PD-L1 negative. Only a low number of FOXP3(+) regulatory T-cells was admixed. Tumor cells of MCPyV(−) samples were mostly PD-L1 negative. Conclusions: Our data demonstrate that PD-L1 expression occurs in tumor and immune cells, in areas in which they are close in contact. Interferon seems to play a role in this interaction. We postulate that PD-L1(+)/CD33(+) cells shield the tumor against attacking PD-1(+) immune cells. Therefore, next to anti-PD-1/PD-L1 antibodies, blockade of CD33 seems to be a promising therapeutic approach. © 2017 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd

  • 32. Mitteldorf, C.
    et al.
    Bieri, M.
    Wey, N.
    Kerl, K.
    Kamarachev, J.
    Pfaltz, Monique C.
    Kutzner, H.
    Roncador, G.
    Tomasini, D.
    Kempf, W.
    Expression of programmed death-1 (CD279) in primary cutaneous B-cell lymphomas with correlation to lymphoma entities and biological behaviour2013In: British Journal of Dermatology, ISSN 0007-0963, E-ISSN 1365-2133, Vol. 169, no 6, p. 1212-1218Article in journal (Refereed)
    Abstract [en]

    Background Programmed death-1 (PD-1/CD279) is a cell-surface protein expressed in activated T cells and a subset of T lymphocytes including follicular helper T cells (TFH). The interaction between PD-1 and its ligands plays a role in immune response and evasion of malignancies. In nodal follicular lymphoma, the number of intratumoral PD-1-positive lymphocytes is associated with overall survival. Objectives To investigate 28 cases of primary cutaneous B-cell lymphoma, including the subtypes PCFCL (n = 10), PCMZL (n = 10) and DLBCL-LT (n = 8) for the number and density of PD-1-positive cells. Methods Immunohistochemical staining and a computerized morphometric analysis for evaluation were applied. The results were correlated with the clinical outcome. To distinguish between activated T cells and TFH we performed PD-1/bcl-6 double staining and compared these results with CXCL-13 staining. Double staining for PD-1 and PAX-5 was used to investigate whether tumour cells were positive for PD-1. Results The PD-1-positive cells represented tumour-infiltrating T cells (TILs). Only a minor subset was represented by TFH. Patients with DLBCL-LT had a significantly lower number of PD-1-positive TILs than those with PCMZL (P = 0·012) and PCFCL (P = 0·002) or both (P = 0·001). The difference between PCMZL and PCFCL did not reach significance (P = 0·074). The tumour cells were negative for PD-1. Conclusions A higher number of PD-1-expressing cells was found in indolent PCMZL and PCFCL than in high-malignant DLBCL-LT. The PD-1-positive cells represented not only TFH, but also other activated T cells as a part of the tumour microenvironment. The tumour cells in all investigated types of PCBCL did not show aberrant PD-1 expression. What’s already known about this topic? In nodal follicular lymphoma, the number of intratumoral programmed death (PD)-1-positive lymphocytes is associated with overall survival. No data exist for primary cutaneous B-cell lymphoma (PCBCL). What does this study add? A higher number of PD-1-expressing cells was found in indolent primary cutaneous marginal zone lymphoma and primary cutaneous follicle centre lymphoma, in contrast to the more aggressive diffuse large B-cell lymphoma, leg type. PD-1-positive cells do not represent only follicular helper T cells. The tumour cells in all investigated types of PCBCL did not show aberrant PD-1 expression. © 2013 British Association of Dermatologists.

  • 33. Mitteldorf, C.
    et al.
    Robson, A.
    Tronnier, M.
    Pfaltz, Monique C.
    Kempf, W.
    Galectin-3 Expression in Primary Cutaneous CD30-Positive Lymphoproliferative Disorders and Transformed Mycosis Fungoides2015In: Dermatology, ISSN 1018-8665, E-ISSN 1421-9832, Vol. 231, no 2, p. 164-170Article in journal (Refereed)
    Abstract [en]

    Background: In nodal anaplastic large cell lymphoma, strong expression of galectin-3 (Gal-3) has been found, but only very few cases of primary cutaneous lymphoma have so far been examined. Objectives: To investigate 11 primary cutaneous anaplastic large cell lymphomas (PCALCL), 47 lymphomatoid papuloses (LYP) and 14 cases of transformed mycosis fungoides with CD30 expression (MF-T) for Gal-3 expression. Methods: A Gal-3 score was applied using a photo-based morphometric evaluation program. Double staining for CD30 and Gal-3 was performed. Furthermore, we recorded the cellular and extracellular sublocalization of the signal. Results: The Gal-3 expression in CD30+ tumor cells was significantly lower in MF-T in contrast to CD30+ lymphoproliferative disorders (CD30 LPD; p < 0.001), but we found no differences between PCALCL and LYP (p = 0.42). In PCALCL Gal-3 was more often localized in the cytoplasm in contrast to LYP, in which an equal distribution in the cytoplasm and the nucleus was more common (p = 0.9). Conclusions: The lower Gal-3 expression in MF-T in comparison to CD30 LPD might be an additional criterion to differentiate both entities. The different sublocalization of the Gal-3 signal might reflect a different biological function and behavior. © 2015 S. Karger AG, Basel.

  • 34. Morina, N.
    et al.
    Bryant, R. A.
    Doolan, E. L.
    Martin-Sälch, C.
    Plichta, M. M.
    Pfaltz, Monique C.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Schnyder, U.
    Schick, M.
    Nickerson, A.
    The impact of enhancing perceived self-efficacy in torture survivors2018In: Depression and anxiety (Print), ISSN 1091-4269, E-ISSN 1520-6394, Vol. 35, no 1, p. 58-64Article in journal (Refereed)
    Abstract [en]

    Background: Perceived self-efficacy (SE) is an important factor underlying psychological well-being. Refugees suffer many experiences that can compromise SE. This study tested the impact of enhancing perceived SE on coping with trauma reminders and distress tolerance in tortured refugees. Methods: Torture survivors (N = 40) were administered a positive SE induction in which they retrieved mastery-related autobiographical memories, or a non-SE (NSE) induction, and then viewed trauma-related images. Participants rated their distress following presentation of each image. Participants then completed a frustration-inducing mirror-tracing task to index distress tolerance. Results: Participants in the SE condition reported less distress and negative affect, and improved coping in relation to viewing the trauma-related images than those in the NSE condition. The SE induction also led to greater persistence with the mirror-tracing task than the NSE induction. Conclusions: These findings provide initial evidence that promoting SE in tortured refugees can assist with managing distress from trauma reminders, and promoting greater distress tolerance. Enhancing perceived SE in tortured refugees may increase their capacity to tolerate distress during therapy, and may be a useful means to improve treatment response. © 2017 Wiley Periodicals, Inc.

  • 35. Müller-Engelmann, M.
    et al.
    Schnyder, U.
    Dittmann, C.
    Priebe, K.
    Bohus, M.
    Thome, J.
    Fydrich, T.
    Pfaltz, Monique C.
    Steil, R.
    Psychometric Properties and Factor Structure of the German Version of the Clinician-Administered PTSD Scale for DSM-52020In: Assessment, ISSN 1073-1911, E-ISSN 1552-3489, Vol. 27, no 6, p. 1128-1138Article in journal (Refereed)
    Abstract [en]

    The Clinician-Administered PTSD Scale (CAPS) is a widely used diagnostic interview for posttraumatic stress disorder (PTSD). Following fundamental modifications in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), the CAPS had to be revised. This study examined the psychometric properties (internal consistency, interrater reliability, convergent and discriminant validity, and structural validity) of the German version of the CAPS-5 in a trauma-exposed sample (n = 223 with PTSD; n =51 without PTSD). The results demonstrated high internal consistency (αs =.65-.93) and high interrater reliability (ICCs =.81-.89). With regard to convergent and discriminant validity, we found high correlations between the CAPS severity score and both the Posttraumatic Diagnostic Scale sum score (r =.87) and the Beck Depression Inventory total score (r =.72). Regarding the underlying factor structure, the hybrid model demonstrated the best fit, followed by the anhedonia model. However, we encountered some nonpositive estimates for the correlations of the latent variables (factors) for both models. The model with the best fit without methodological problems was the externalizing behaviors model, but the results also supported the DSM-5 model. Overall, the results demonstrate that the German version of the CAPS-5 is a psychometrically sound measure.

  • 36. Olff, M.
    et al.
    Bakker, A.
    Frewen, P.
    Aakvaag, H.
    Ajdukovic, D.
    Brewer, D.
    Elmore Borbon, D. L.
    Cloitre, M.
    Hyland, P.
    Kassam-Adams, N.
    Knefel, M.
    Lanza, J. A.
    Lueger-Schuster, B.
    Nickerson, A.
    Oe, M.
    Pfaltz, Monique C.
    Salgado, C.
    Seedat, S.
    Wagner, A.
    Schnyder, U.
    (GC-TS), Global Collaboration on Traumatic Stress
    Screening for consequences of trauma–an update on the global collaboration on traumatic stress2020In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 11, no 1Article in journal (Refereed)
    Abstract [en]

    This letter provides an update on the activities of “The Global Collaboration on Traumatic Stress” (GC-TS) as first described by Schnyder et al. in 2017. It presents in further detail the projects of the first theme, in particular the development of and initial data on the Global Psychotrauma Screen (GPS), a brief instrument designed to screen for the wide range of potential outcomes of trauma. English language data and ongoing studies in several languages provide a first indication that the GPS is a feasible, reliable and valid tool, a tool that may be very useful in the current pandemic of the coronavirus disease 2019 (COVID-19). Further multi-language and cross-cultural validation is needed. Since the start of the GC-TS, new themes have been introduced to focus on in the coming years: a) Forcibly displaced persons, b) Global prevalence of stress and trauma related disorders, c) Socio-emotional development across cultures, and d) Collaborating to make traumatic stress research data “FAIR”. The most recent theme added is that of Global crises, currently focusing on COVID-19-related projects.

  • 37. Passardi, S.
    et al.
    Peyk, P.
    Rufer, M.
    Plichta, M. M.
    Mueller-Pfeiffer, C.
    Wingenbach, T. S. H.
    Hassanpour, K.
    Schnyder, U.
    Pfaltz, Monique C.
    Impaired Recognition of Positive Emotions in Individuals with Posttraumatic Stress Disorder, Cumulative Traumatic Exposure, and Dissociation2018In: Psychotherapy and Psychosomatics, ISSN 0033-3190, E-ISSN 1423-0348, Vol. 87, no 2, p. 118-120Article in journal (Refereed)
  • 38. Passardi, S.
    et al.
    Peyk, P.
    Rufer, M.
    Wingenbach, T. S. H.
    Pfaltz, Monique C.
    Facial mimicry, facial emotion recognition and alexithymia in post-traumatic stress disorder2019In: Behaviour Research and Therapy, ISSN 0005-7967, E-ISSN 1873-622X, Vol. 122Article in journal (Refereed)
    Abstract [en]

    Individuals with post-traumatic stress disorder (PTSD) show abnormalities in higher-order emotional processes, including emotion regulation and recognition. However, automatic facial responses to observed facial emotion (facial mimicry) has not yet been investigated in PTSD. Furthermore, whereas deficits in facial emotion recognition have been reported, little is known about contributing factors. We thus investigated facial mimicry and potential effects of alexithymia and expressive suppression on facial emotion recognition in PTSD. Thirty-eight PTSD participants, 43 traumatized and 33 non-traumatized healthy controls completed questionnaires assessing alexithymia and expressive suppression. Facial electromyography was measured from the muscles zygomaticus major and corrugator supercilii during a facial emotion recognition task. Corrugator activity was increased in response to negative emotional expressions compared to zygomaticus activity and vice versa for positive emotions, but no significant group differences emerged. Individuals with PTSD reported greater expressive suppression and alexithymia than controls, but only levels of alexithymia predicted lower recognition of negative facial expressions. While automatic facial responses to observed facial emotion seem to be intact in PTSD, alexithymia, but not expressive suppression, plays an important role in facial emotion recognition of negative emotions. If replicated, future research should evaluate whether successful interventions for alexithymia improve facial emotion recognition abilities. © 2019 Elsevier Ltd

  • 39. Pfaltz, Monique C.
    et al.
    Grossman, P.
    Michael, T.
    Margraf, J.
    Wilhelm, F. H.
    Physical activity and respiratory behavior in daily life of patients with panic disorder and healthy controls2010In: International Journal of Psychophysiology, ISSN 0167-8760, E-ISSN 1872-7697, Vol. 78, no 1, p. 42-49Article in journal (Refereed)
    Abstract [en]

    Panic disorder (PD) has been linked in laboratory investigations to respiratory alterations, particularly persistent respiratory variability. However, studies of PD respiratory pattern outside the laboratory are rare, have not controlled for the confounding influence of varying levels of physical activity, and have not addressed whether abnormalities in respiratory pattern vary depending on the intensity of physical activity. Cognitive and biological theories of PD, in fact, predict that respiratory alterations may be particularly pronounced when patients are physically active. This study assessed physical activity and respiratory pattern of 26 PD patients and 26 healthy controls (HC) during two waking periods of daily life (9:00-21:00) one week apart. Respiratory data were stratified for predefined levels of physical activity (inactivity, minimal movement, slow/moderate/fast walking, and running) and analyzed using linear mixed models. Groups did not generally differ in respiratory measures, although PD patients did show elevated variability of absolute levels of tidal volume during minimal movement and slow walking (root mean squared successive differences). Other ways of analyzing tidal volume variability based on relative levels, percentage of sighing, or pooled activity levels did not substantiate this finding. Amount of time spent at different activity levels did not differ between groups, which is at variance with studies linking anticipatory anxiety with motoric agitation, and PD with self-reported avoidance of exercise. In conclusion, results provided little evidence for respiratory abnormalities or central respiratory dysregulation in PD at varying levels of activity, although instability of tidal volume regulation during low activity remains a possibility. Our research approach indicates the usefulness of stratification of real life data on the basis of levels of activity, as well as how ambulatory assessment strategies, complementarily to laboratory studies, may improve understanding of biological and psychological factors contributing to development and maintenance of PD and other anxiety disorders. © 2010 Elsevier B.V.

  • 40.
    Pfaltz, Monique C.
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work. University of Missouri St. Louis, St. Louis, MO, USA.
    Halligan, Sarah L
    University of Bath, Bath, United Kingdom; University of Cape Town, Cape Town, South Africa.
    Haim-Nachum, Shilat
    Bar-Ilan University, Bar-Ilan, Israel.
    Sopp, Marie R
    Bar-Ilan University, Bar-Ilan, Israel; Saarland University, Saarland, Germany.
    Åhs, Fredrik
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Bachem, Rahel
    University of Zurich, Zurich, Switzerland.
    Bartoli, Eleonora
    Goethe University of Frankfurt, Frankfurt, Germany.
    Belete, Habte
    Bahir Dar University, Bahir Dar, Ethiopia.
    Belete, Tilahun
    Bahir Dar University, Bahir Dar, Ethiopia.
    Berzengi, Azi
    University of East Anglia, Norwich, United Kingdom.
    Dukes, Daniel
    University of Geneva, Geneva, Switzerland; University of Fribourg, Fribourg, Switzerland.
    Essadek, Aziz
    University of Lorraine, Lorraine, France.
    Iqbal, Naved
    Jamia Millia islamia, New Delhi, India.
    Jobson, Laura
    Monash University, Monash, ACT, Australia.
    Langevin, Rachel
    McGill University, Montreal, QC, Canada.
    Levy-Gigi, Einat
    Bar-Ilan University, Bar-Ilan, Israel.
    Lüönd, Antonia M
    University of Zurich, Zurich, Switzerland.
    Martin-Soelch, Chantal
    University of Fribourg, Fribourg, Switzerland.
    Michael, Tanja
    Saarland University, Saarland, Germany.
    Oe, Misari
    Kurume University, Kurume, Japan.
    Olff, Miranda
    Amsterdam UMC, Amsterdam, The Netherlands; ARQ National Psychotrauma Centre, Diemen, The Netherlands.
    Ceylan, Deniz
    Koç University School of Medicine, Koç, Turkey.
    Raghavan, Vijaya
    Schizophrenia Research Foundation, Chennai, India.
    Ramakrishnan, Muniarajan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Sar, Vedat
    Stellenbosch University, Stellenbosch, South Africa.
    Spies, Georgina
    Stellenbosch University, Stellenbosch, South Africa; University of Yaounde 1, Yaounde, Cameroon.
    Wadji, Dany Laure
    University of Fribourg, Fribourg, Switzerland.
    Wamser-Nanney, Rachel
    Hospital Clínic de Barcelona, Barcelona, Spain.
    Fares-Otero, Natalia E
    Medical School Hamburg (MSH), Hamburg, Germany.
    Schnyder, Ulrich
    University of Zurich, Zurich, Switzerland.
    Seedat, Soraya
    Stellenbosch University, Stellenbosch, South Africa.
    Social Functioning in Individuals Affected by Childhood Maltreatment: Establishing a Research Agenda to Inform Interventions2022In: Psychotherapy and Psychosomatics, ISSN 0033-3190, E-ISSN 1423-0348, Vol. 91, no 4, p. 238-251Article, review/survey (Refereed)
    Abstract [en]

    Childhood maltreatment (CM) is linked to impairments in various domains of social functioning. Here, we argue that it is critical to identify factors that underlie impaired social functioning as well as processes that mediate the beneficial health effects of positive relationships in individuals exposed to CM. Key research recommendations are presented, focusing on: (1) identifying attachment-related alterations in specific inter- and intrapersonal processes (e.g., regulation of closeness and distance) that underlie problems in broader domains of social functioning (e.g., lack of perceived social support) in individuals affected by CM; (2) identifying internal (e.g., current emotional state) and external situational factors (e.g., cultural factors, presence of close others) that modulate alterations in specific social processes; and (3) identifying mechanisms that explain the positive health effects of intact social functioning. Methodological recommendations include: (1) assessing social processes through interactive and (close to) real-life assessments inside and outside the laboratory; (2) adopting an interdisciplinary, lifespan perspective to assess social processes, using multi-method assessments; (3) establishing global research collaborations to account for cultural influences on social processes and enable replications across laboratories and countries. The proposed line of research will contribute to globally develop and refine interventions that prevent CM and further positive relationships, which - likely through buffering the effects of chronic stress and corresponding allostatic load - foster resilience and improve mental and physical health, thereby reducing personal suffering and the societal and economic costs of CM and its consequences. Interventions targeting euthymia and psychological well-being are promising therapeutic concepts in this context.

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  • 41. Pfaltz, Monique C.
    et al.
    Kolodyazhniy, V.
    Blechert, J.
    Margraf, J.
    Grossman, P.
    Wilhelm, F. H.
    Metabolic decoupling in daily life in patients with panic disorder andagoraphobia2015In: Journal of Psychiatric Research, ISSN 0022-3956, E-ISSN 1879-1379, Vol. 68, p. 377-383Article in journal (Refereed)
    Abstract [en]

    Various studies have assessed autonomic and respiratory underpinnings of panic attacks, yet the psychophysiological functioning of panic disorder (PD) patients has rarely been examined under naturalistic conditions at times when acute attacks were not reported. We hypothesized that emotional activation in daily life causes physiologically demonstrable deviations from efficient metabolic regulation in PD patients. Metabolic coupling was estimated as within-individual correlations between heart rate (HR) and indices of metabolic activity, i.e., physical activity (measured by 3-axial accelerometry, Acc), and minute ventilation (Vm, measured by calibrated inductive plethysmography, as proxy for oxygen consumption). A total of 565 daytime hours were recorded in 19 PD patients and 20 healthy controls (HC). Pairwise cross-correlations of minute-by-minute averages of these metabolic indices were calculated for each participant and then correlated with several indices of self-reported anxiety. Ambulatory HR was elevated in PD (p=.05, d=0.67). Patients showed reduced HR-Acc (p<.006, d=0.97) and HR-Vm coupling (p<.009, d=0.91). Combining Vm and Acc to predict HR showed the strongest group separation (p<.002, d=1.07). Discriminant analyses, based on the combination of Vm and Acc to predict HR, classified 77% of all participants correctly. In PD, HR-Acc coupling was inversely related to trait anxiety sensitivity, as well as tonic and phasic daytime anxiety. The novel method that was used demonstrates that anxiety in PD may reduce efficient long-term metabolic coupling. Metabolic decoupling may serve as physiological characteristic of PD and might aid diagnostics for PD and other anxiety disorders. This measure deserves further study in research on health consequences of anxiety and psychosocial stress. © 2015 Elsevier Ltd.

  • 42.
    Pfaltz, Monique C.
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Michael, T.
    Grossman, P.
    Blechert, J.
    Wilhelm, F. H.
    Respiratory pathophysiology of panic disorder: An ambulatory monitoring study2009In: Psychosomatic Medicine, ISSN 0033-3174, E-ISSN 1534-7796, Vol. 71, no 8, p. 869-876Article in journal (Refereed)
    Abstract [en]

    Objective: To assess the external validity of laboratory baselines in panic disorder (PD), frequently associated with respiratory pattern abnormalities like increased respiratory variability and sighing, implying a stable pathophysiologic trait characteristic. METHODS:: Physical activity and a variety of breath-by-breath volumetric, timing, and variability measures of respiration were recorded in the daily life of 26 patients with PD and 26 healthy controls (HC), using a novel ambulatory monitoring system optimized for reliable assessment of respiratory pattern. Data were stratified for physical activity to eliminate its confounding effects. RESULTS:: Groups showed strong and consistent diurnal patterns in almost all respiratory variables. However, patients with PD did not differ from HC regarding any of the respiratory timing, volumetric and variability measures, with negligible group effect sizes for all measures. Patients with fewer self-reported respiratory symptoms of anxiety exhibited more pronounced rapid shallow breathing as well as diminished total breath time and its variability. CONCLUSIONS:: Despite state-of-the-art ambulatory assessment and sufficient statistical power to detect respiratory alterations previously observed in the laboratory, we found no evidence for such alterations in PD patients’ daily life. Neither the total PD group nor patients with particularly pronounced respiratory symptomatology displayed increased respiratory variability. These results caution against interpreting results from laboratory baselines in PD as reflecting a stable trait characteristic. Rather, they likely represent a state-trait interaction due to enhanced reactivity of PD patients to novel environments. These results challenge aspects of respiratory theories of PD that were based on laboratory findings. Copyright © 2009 by the American Psychosomatic Society.

  • 43.
    Pfaltz, Monique C.
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Michael, T.
    Grossman, P.
    Margraf, J.
    Wilhelm, F. H.
    Instability of physical anxiety symptoms in daily life of patients with panic disorder and patients with posttraumatic stress disorder2010In: Journal of Anxiety Disorders, ISSN 0887-6185, E-ISSN 1873-7897, Vol. 24, no 7, p. 792-798Article in journal (Refereed)
    Abstract [en]

    The present study examined severity as well as degree and temporal pattern of instability of DSM-IV-based bodily symptoms of anxiety (BSA) in daily life of 26 panic disorder (PD) patients, 17 posttraumatic stress disorder (PTSD) patients, and 28 healthy controls (HC) during 1 week, using electronic diaries. The ecological momentary assessment around every 3. h during wake times was accepted well by patients. Compared to HC, patient groups exhibited elevated instability of BSA. BSA instability was more pronounced in PTSD than PD (p<0.005), even after controlling for mean symptom level. Numbers of symptomatic episodes were comparable in PTSD and PD, but the duration of symptom-free episodes was shorter in PTSD than PD. Results indicate that PTSD patients are particularly burdened by fluctuations in somatic symptoms of anxiety, implying perceived unpredictability and uncontrollability. Electronic diaries can be applied in innovative ways to provide novel insights into the phenomenology of anxiety disorders that may not be captured well by retrospective interviews and questionnaires. © 2010 Elsevier Ltd.

  • 44. Pfaltz, Monique C.
    et al.
    Michael, T.
    Meyer, A. H.
    Wilhelm, F. H.
    Reexperiencing symptoms, dissociation, and avoidance behaviors in daily life of patients With PTSD and patients with panic disorder with agoraphobia2013In: Journal of Traumatic Stress, ISSN 0894-9867, E-ISSN 1573-6598, Vol. 26, no 4, p. 443-450Article in journal (Refereed)
    Abstract [en]

    Panic attacks are frequently perceived as life threatening. Panic disorder (PD) patients may therefore experience symptoms of posttraumatic stress disorder (PTSD). The authors explored this in 28 healthy controls, 17 PTSD patients, and 24 PD patients with agoraphobia who completed electronic diaries 36 times during 1 week. Patient groups frequently reported dissociation as well as thoughts, memories, and reliving of their trauma or panic attacks. PTSD patients reported more trauma/panic attack thoughts (incidence rate ratio [IRR] = 2.9) and memories (IRR = 2.8) than PD patients. Patient groups relived their trauma or panic attacks equally frequently, and reported comparable bodily reactions and distress associated with trauma or panic attack memories. Clinical groups avoided trauma or panic attack reminders more often than healthy controls (avoidance of trauma- or panic attack-related thoughts (IRR = 8.0); avoidance of things associated with the trauma or panic attack (IRR = 40.7). PD patients avoided trauma or panic attack reminders less often than PTSD patients (avoidance of trauma- or panic attack-related thoughts [IRR = 2.5]; avoidance of things associated with the trauma or panic attack [IRR = 4.1]), yet these differences were nonsignificant when controlling for functional impairment. In conclusion, trauma-like symptoms are common in PD with agoraphobia and panic attacks may be processed similarly as trauma in PTSD. © 2013 International Society for Traumatic Stress Studies.

  • 45. Pfaltz, Monique C.
    et al.
    Märstedt, B.
    Meyer, A. H.
    Wilhelm, F. H.
    Kossowsky, J.
    Michael, T.
    Why can’t I stop thinking about it?: Cognitivemediators in the relationship between neuroticism and obsessing2015In: Swiss Journal of Psychology, ISSN 1421-0185, E-ISSN 1662-0879, Vol. 74, no 2, p. 75-82Article in journal (Refereed)
    Abstract [en]

    Obsessive-compulsive disorder (OCD) is a severe anxiety disorder characterized by frequent obsessive thoughts and repetitive behaviors. Neuroticism is a vulnerability factor for OCD, yet the mechanisms by which this general vulnerability factor affects the development of OCD-related symptoms are unknown. The present study assessed a hierarchical model of the development of obsessive thoughts that includes neuroticism as a general, higher-order factor, and specific, potentially maladaptive thought processes (thought suppression, worry, and brooding) as second-order factors manifesting in the tendency toward obsessing. A total of 238 participants completed questionnaires assessing the examined constructs. The results of mediator analyses demonstrated the hypothesized relationships: A positive association between neuroticism and obsessing was mediated by thought suppression, worry, and brooding. Independent of the participant’s sex, all three mediators contributed equally and substantially to the association between neuroticism and obsessing. These findings extend earlier research on hierarchical models of anxiety and provide a basis for further refinement of models of the development of obsessive thoughts. © 2015 Verlag Hans Huber, Hogrefe AG, Bern.

  • 46. Pfaltz, Monique C.
    et al.
    Passardi, S.
    Auschra, B.
    Fares-Otero, N. E.
    Schnyder, U.
    Peyk, P.
    Are you angry at me?: Negative interpretations of neutral facial expressions are linked to child maltreatment but not to posttraumatic stress disorder2019In: European Journal of Psychotraumatology, ISSN 2000-8198, E-ISSN 2000-8066, Vol. 10, no 1Article in journal (Refereed)
    Abstract [en]

    Background: Individuals with a high prevalence of child maltreatment, e.g. those with borderline personality disorder, tend to see neutral facial expressions as negative. Objective: Our aim was to assess whether this bias is present in individuals with posttraumatic stress disorder (PTSD) and whether it is linked to child maltreatment. Methods: Thirty-nine PTSD participants, 44 traumatized and 35 non-traumatized healthy controls watched 300 one-second movies showing 30 neutral and 270 emotional facial expressions, and indicated whether they interpreted each as a neutral or as one of nine emotional expressions. Results: PTSD individuals did not perform differently than the two control groups in the recognition and interpretation of neutral facial expressions (p’s <.300). Higher levels of childhood sexual and emotional abuse, and physical neglect were linked to more interpretations of neutral facial expressions as contempt (p’s <.043), and (for sexual abuse and physical neglect) to more interpretations of neutral facial expressions as anger (p’s <.014). Comparisons of statistical model fits suggested that childhood sexual abuse was the most relevant predictor of recognition accuracy in our sample. Alexithymia, state dissociation, interpersonal trauma, and number of experienced trauma types were not associated with deficits in the interpretation of neutral expressions. Conclusions: Child maltreatment, especially sexual abuse, may shape the interpretation of neutral facial expressions. Future research should explore whether the observed biases extend to real-life situations. If so, therapists might improve the therapeutic relationship with patients with a history of child maltreatment by paying more attention to their own non-verbal communication and their patients’ responses to it. Furthermore, similarly to individuals with high depressive and high social anxiety symptoms, facial expression recognition training might counteract negativity bias in individuals with a history of childhood (sexual and emotional) abuse, and (physical) neglect. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

  • 47. Pfaltz, Monique C.
    et al.
    Plichta, M. M.
    Bockisch, C. J.
    Jellestad, L.
    Schnyder, U.
    Stocker, K.
    Processing of an ambiguous time phrase in posttraumatic stress disorder: Eye movements suggest a passive, oncoming perception of the future2021In: Psychiatry Research, ISSN 0165-1781, E-ISSN 1872-7123, Vol. 299Article in journal (Refereed)
    Abstract [en]

    Metaphorically, the future can be perceived as approaching us (time-moving metaphor) or as being approached by us (ego-moving metaphor). Also, in line with findings that our eyes look more up when thinking about the future than the past, the future’s location can be conceptualized in upwards terms. Eye movements were recorded in 19 participants with PTSD and 20 healthy controls. Participants with PTSD showed downward and healthy controls upward eye movements while processing an ego/time-moving ambiguous phrase, suggesting a passive (time-moving) outlook toward the future. If replicated, our findings may have implications for the conceptualization and treatment of PTSD.

  • 48.
    Pfaltz, Monique C.
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Schnyder, Ulrich
    Allostatic Load and Allostatic Overload: Preventive and Clinical Implications2023In: Psychotherapy and Psychosomatics, ISSN 0033-3190, E-ISSN 1423-0348, Vol. 92, no 5, p. 279-282Article in journal (Refereed)
  • 49. Pfaltz, Monique C.
    et al.
    Schumacher, S.
    Wilhelm, F. H.
    Dammann, G.
    Seifritz, E.
    Martin-Soelch, C.
    Acoustic emotional processing in patients with borderline personality disorder: Hyper- or hyporeactivity?2015In: Journal of Personality Disorders, ISSN 0885-579X, E-ISSN 1943-2763, Vol. 29, no 6, p. 809-827Article in journal (Refereed)
    Abstract [en]

    Earlier studies have demonstrated emotional overreactions to affective visual stimuli in patients with borderline personality disorder (BPD). However, contradictory findings regarding hyper- versus hyporeactivity have been reported for peripheral physiological measures. In order to extend previous results, the authors investigated emotional reactivity and long-term habituation in the acoustic modality. Twenty-two female BPD patients and 19 female nonclinical controls listened to emotionally negative, neutral, and positive sounds in two identical sessions. Heart rate, skin conductance, zygomaticus/corrugators muscle, and self-reported valence/arousal responses were measured. BPD patients showed weaker skin conductance responses to negative sounds than controls. The elevated zygomaticus activity in response to positive sounds observed in controls was absent in BPD patients, and BPD patients assigned lower valence ratings to positive sounds than controls. In Session 2, patients recognized fewer positive sounds than controls. Across both groups, physiological measures habituated between sessions. These findings add to growing evidence toward partial affective hyporeactivity in BPD. © 2015 The Guilford Press.

  • 50. Pfaltz, Monique C.
    et al.
    Wu, G. W. Y.
    Liu, G.
    Tankersley, A. P.
    Stilley, A. M.
    Plichta, M. M.
    McNally, R. J.
    Cognitive and emotional processing of pleasant and unpleasant experiences in major depression: A matter of vantage point?2017In: Journal of Behavior Therapy and Experimental Psychiatry, ISSN 0005-7916, E-ISSN 1873-7943, Vol. 54, p. 254-262Article in journal (Refereed)
    Abstract [en]

    Background and Objectives In nonclinical populations, adopting a third-person perspective as opposed to a first-person perspective while analyzing negative emotional experiences fosters understanding of these experiences and reduces negative emotional reactivity. We assessed whether this generalizes to people with major depression (MD). Additionally, we assessed whether the emotion-reducing effects of adopting a third-person perspective also occur when subjects with MD and HC subjects analyze positive experiences. Methods Seventy-two MD subjects and 82 HC subjects analyzed a happy and a negative experience from either a first-person or a third-person perspective. Results Unexpectedly, we found no emotion-reducing effects of third-person perspective in either group thinking about negative events. However, across groups, third-person perspective was associated with less recounting of negative experiences and with a clearer, more coherent understanding of them. Negative affect decreased and positive affect increased in both groups analyzing happy experiences. In MD subjects, decreases in depressive affect were stronger for the third-person perspective. In both groups, positive affect increased and negative affect decreased more strongly for the third-person perspective. Limitations While reflecting on their positive memory, MD subjects adopted their assigned perspective for a shorter amount of time (70%) than HC subjects (78%). However, percentage of time participants adopted their assigned perspective was unrelated to the significant effects we found. Conclusions Both people suffering from MD and healthy individuals may benefit from processing pleasant experiences, especially when adopting a self-distant perspective.

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