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  • 1.
    Bernhardsson, Jens
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Champoux-Larsson, Marie-France
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Palmius, Joel
    PUPIL - A tool for creating and conducting online distributed experimental paradigms2017Conference paper (Refereed)
  • 2.
    Bernhardsson, Jens
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Esteves, Francisco
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    INDEPENDENT COMPONENT ANALYSIS OF N2pc DURING FEAR PROCESSING2013In: Psychophysiology, ISSN 0048-5772, E-ISSN 1469-8986, Vol. 50, p. S119-S119Article in journal (Other academic)
  • 3.
    Bernhardsson, Jens
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Esteves, Francisco
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Make no mistake: You are being watched2017Conference paper (Refereed)
  • 4.
    Bernhardsson, Jens
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Changes in Event Related Potentials after exposure therapy for spider phobic individuals2016In: International Journal of Psychophysiology, ISSN 0167-8760, E-ISSN 1872-7697, Vol. 108, p. 105-106Article in journal (Other academic)
    Abstract [en]

    The present study was conducted in order to investigate treatment effects in spider phobic individuals on EEG and eye movements. A previous study has shown larger ERP amplitudes in the late positive complex (LPC) post treatment compared to pre treatment during exposure of spider pictures (Leutgeb, Schäfer, & Schienle, 2009). The authors hypothesize that the result might mirror an increase in attention towards the stimuli and reduced attentional avoidance generating enhanced LPC amplitude as a consequence of directing attention to the spider pictures post treatment. In the present study spider fearful individuals (treatment and waitlist group) and control individuals were measured with EEG and Eye tracking during exposure to pictures of spiders, snakes and flowers pre and post treatment. Based on behavioral and self-assessed measures treatment effects were high. Contrary to Leutgeb et al. (2009), our results showed relatively smaller LPC amplitudes post treatment during presentations of spider pictures. Moreover, the eye movement data indicated no avoidance from spider pictures compared to other pictures, neither pre nor post treatment. These results indicate that when individuals attend to visual threat stimuli, LPC amplitude differences follow the pattern of emotional significance and attention allocation.

  • 5.
    Bernhardsson, Jens
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Top Down Modulation Despite Fear, Shown By Behavioral and Electrophysiological Activity2018Conference paper (Refereed)
  • 6.
    Bjärtå, Anna
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bernhardsson, Jens
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Eye movements and Event Related Potentials before and after treatment of spider fear2016Conference paper (Other academic)
  • 7.
    Bjärtå, Anna
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Bernhardsson, Jens
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Ekström, Johan
    Tedgård, Tomas
    Flykt, Anders
    Högskolan i Gävle.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Threat of threat changes processing of fear-relevant stimuli2010Conference paper (Other academic)
  • 8. Bjärtå, Anna
    et al.
    Bernhardsson, Jensbe
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Eriksson, L.
    Flykt, Anders
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Potenial biological threats, fear, and perceptual factors.2005Conference paper (Other academic)
  • 9.
    Esteves, Francisco
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bernhardsson, Jens
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Jansson, Billy
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Emotional arousal and attention bias to female body shapes2017Conference paper (Refereed)
  • 10.
    Gunther, A. C.
    et al.
    Karolinska Inst, Dept Physiol & Pharmacol, Sect Anesthesiol & Intens Care, Stockholm, Sweden.;Karolinska Univ Hosp, Dept Cardiothorac Surg & Anesthesiol, S-17176 Stockholm, Sweden..
    Schandl, A. R.
    Karolinska Inst, Dept Physiol & Pharmacol, Sect Anesthesiol & Intens Care, Stockholm; Karolinska Univ Hosp Solna, Dept Anesthesiol Surg Serv & Intens Care Med, Stockholm.
    Bernhardsson, Jens
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Wållgren, M.
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Alvarsson, J.
    Royal Inst Technol, Marcus Wallenberg Lab, Dept Aeronaut & Vehicle Engn, Sch Engn Sci, Stockholm.
    Bottai, M.
    Karolinska Inst, Unit Biostat, Dept Environm Med, Stockholm.
    Martling, C. -R
    Karolinska Inst, Dept Physiol & Pharmacol, Sect Anesthesiol & Intens Care, Stockholm; Karolinska Univ Hosp Solna, Dept Anesthesiol Surg Serv & Intens Care Med, Stockholm.
    Sackey, P. V.
    Karolinska Inst, Dept Physiol & Pharmacol, Sect Anesthesiol & Intens Care, Stockholm; Karolinska Univ Hosp Solna, Dept Anesthesiol Surg Serv & Intens Care Med, Stockholm.
    Pain rather than induced emotions and ICU sound increases skin conductance variability in healthy volunteers2016In: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 60, no 8, p. 1111-1120Article in journal (Refereed)
    Abstract [en]

    Background: Assessing pain in critically ill patients is difficult. Skin conductance variability (SCV), induced by the sympathetic response to pain, has been suggested as a method to identify pain in poorly communicating patients. However, SCV, a derivate of conventional skin conductance, could potentially also be sensitive to emotional stress. The purpose of the study was to investigate if pain and emotional stress can be distinguished with SCV.

    Methods: In a series of twelve 1-min sessions with SCV recording, 18 healthy volunteers were exposed to standardized electric pain stimulation during blocks of positive, negative, or neutral emotion, induced with pictures from the International Affective PictureSystem (IAPS). Additionally, authentic intensive care unit (ICU) sound was included in half of the sessions. All possible combinations of pain and sound occurred in each block of emotion, and blocks were presented in randomized order.

    Results: Pain stimulation resulted in increases in the number of skin conductance fluctuations (NSCF) in all but one participant. During pain-free baseline sessions, the median NSCF was 0.068 (interquartile range 0.013-0.089) and during pain stimulation median NSCF increased to 0.225 (interquartile range 0.146-0.3175). Only small increases in NSCF were found during negative emotions. Pain, assessed with the numeric rating scale, during the sessions with pain stimulation was not altered significantly by other ongoing sensory input.

    Conclusion: In healthy volunteers, NSCF appears to reflect ongoing autonomous reactions mainly to pain and to a lesser extent, reactions to emotion induced with IAPS pictures or ICU sound.

  • 11.
    Gunther, Anders
    et al.
    Karolinska Univ Hosp, Perioperat Med & Intes Care, Stockholm.
    Sackey, Peter
    Karolinska Univ Hosp, Perioperat Med & Intes Care, Stockholm.
    Storm, Hanne
    Univ Oslo, Inst Clin Med, Oslo, Norway.
    Wallgren, Max
    Bernhardsson, Jens
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Validation of physiological and self-rated pain assessment tools; how do they act when compared to the nociceptive spinal reflex?: A comparison between physiological and self-rated pain assessment during different affective states2017In: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 61, no 8, p. 1047-1047, article id 137Article in journal (Other academic)
  • 12.
    Günther, A
    et al.
    Karolinska University Hospital.
    Hansen, J. O.
    University of Oslo, Oslo, Norway.
    Sackey, P
    Karolinska University Hospital.
    Storm, H
    University of Oslo, Oslo, Norway.
    Bernhardsson, Jensbe
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
    Measuring pain - A validation of physiological and self-rated pain, and an investigation of the relationship between them2016Conference paper (Other academic)
  • 13. Kallionen, Markus
    et al.
    Bernhardsson, Jens
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Grohp, Magnus
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Lisspers, Jan
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Sundin, Örjan
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Psykisk ohälsa ett stort problem hos primärvårdens patienter. Enkät besvarad av över 2000 patienter2010In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 107, no 23, p. 1545-1547Article in journal (Refereed)
    Abstract [en]

    A survey comprising more than 2000 patients visiting primary care units during a 2-week period in November 2008 was carried out in the county of Västernorrland, Sweden. The results show that approximately 18.5 % of the patients came on account of psychological ill health, either as sole reason (1.5%) or in combination with other cause(s). Roughly 14.7 % (309) of these scored higher or equivalent to clinically meaningful cut off scores on scales measuring anxiety, depression and exhaustion (burnout). An additional 322 of the remaining sample (27 % of the females and 16 % of the males) had high scores on scales measuring psychological ill health.

     

  • 14.
    Storm, Hanne
    et al.
    University of Oslo, Oslo, Norway.
    Günther, Anders
    Karolinska Univ Hosp, Stockholm.
    Sackey, Peter Victor
    Karolinska University Hospital, Stockholm.
    Bernhardsson, Jens
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Bjärtå, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Psychology and Social Work.
    Measuring pain: Physiological and self-rated measurements in relation to pain stimulation and anxiety2019In: Acta Anaesthesiologica Scandinavica, ISSN 0001-5172, E-ISSN 1399-6576, Vol. 63, no 5, p. 668-675Article in journal (Refereed)
    Abstract [en]

    Introduction: The aim of the present study was to investigate how emotions influence pain, measured by one subjective self-rated measure, the numeric rating scale (NRS), and one objective physiological measure, the number of skin conductance responses (NSCR). Method: Eighteen volunteers were exposed to conditions with pictorial emotional stimuli (neutral, positive, negative), authentic ICU-sound (noise, no-noise) and electrical stimulation (pain, no-pain) individually titrated to induce moderate pain. When using all combinations of picture inducing emotions, sound, and pain, each of these conditions (12 conditions lasting for 60 seconds each) were followed by pain ratings. Ratings of arousal (low to high) and valence (pleasant to unpleasant) were used as indicators of affective state for each condition. Mean NSCR was also measured throughout the experiment for each condition. Results: Even though NRS and NSCR increased during painful stimuli, they did not correlate during the trial. However, NSCR was positively correlated with the strength of the electrical stimulation, r = 0.48, P = 0.046, whereas NRS showed positive correlations with the anxiety level, assessed by affective ratings (arousal, r = 0.61, P < 0.001, and valence, r = 0.37, P < 0.001). Conclusions: The NRS was strongly influenced by affective state, with higher pain ratings during more anxiety-like states, whereas NSCR correlated to the strength of electrical pain stimulation. That reported pain is moderated by anxiety, puts forward a discussion whether reduction of the anxiety level should be considered during analgesia treatment.

1 - 14 of 14
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