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Changes in Event Related Potentials after exposure therapy for spider phobic individuals
Mid Sweden University, Faculty of Human Sciences, Department of Psychology.
Mid Sweden University, Faculty of Human Sciences, Department of Psychology.ORCID iD: 0000-0003-0011-7770
Mid Sweden University, Faculty of Human Sciences, Department of Psychology.ORCID iD: 0000-0002-4116-5501
2016 (English)In: International Journal of Psychophysiology, ISSN 0167-8760, E-ISSN 1872-7697, Vol. 108, p. 105-106Article in journal, Meeting abstract (Other academic) Published
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.

Place, publisher, year, edition, pages
2016. Vol. 108, p. 105-106
National Category
Psychology
Identifiers
URN: urn:nbn:se:miun:diva-29063DOI: 10.1016/j.ijpsycho.2016.07.320ISI: 000382408700319OAI: oai:DiVA.org:miun-29063DiVA, id: diva2:1033485
Conference
18th World Congress of Psychophysiology of the International Organization of Psychophysiology (IOP), AUG 31-SEP 04, 2016, Havana, CUBA
Available from: 2016-10-07 Created: 2016-10-07 Last updated: 2017-11-30Bibliographically approved

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Bernhardsson, JensBjärtå, AnnaSundin, Örjan

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