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Attenuated modulation of brain activity accompanies emotion regulation deficits in alexithymia

  • The personality trait alexithymia has been associated with deficits in emotion regulation; nevertheless, experimental investigations on this research question are sparse. We investigated reappraisal as one emotion regulation strategy in 44 healthy participants with high (HDA) versus low (LDA) degrees of alexithymia. High density EEG and spatiotemporal current density reconstruction were used to characterize the time course of emotion regulation and to identify brain regions involved. Main results were that reappraisal was accompanied by reduced arousal and significant amplitude reduction of P3 and slow wave in the LDA group only. In contrast to the LDA group, reappraisal was not associated with an increase of activation in fusiform gyrus and inferior temporal gyrus in the HDA group. We demonstrate profound deficits in emotion regulation, which might contribute to everyday problems of social functioning in alexithymia.

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Metadaten
Author:Olga Pollatos, Klaus Gramann
DOI:https://doi.org/10.1111/j.1469-8986.2011.01348.x
ISSN:0048-5772 (print)
Parent Title (English):Psychophysiology : journal of the Society for Psychophysiological Research
Publisher:Wiley-Blackwell
Place of publication:Hoboken
Document Type:Article
Language:English
Year of first Publication:2012
Year of Completion:2012
Release Date:2017/03/26
Tag:Alexithymia; Current source density reconstruction; Emotion regulation; Evoked potentials; Reappraisal
Volume:49
Issue:5
Pagenumber:8
First Page:651
Last Page:658
Organizational units:Humanwissenschaftliche Fakultät / Institut für Psychologie
Peer Review:Referiert