Journal article
Electrophysiology of blunted emotional bias in psychopathic personality
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Publication Details
Author list: Douglas, Kevin S.
Publication year: 2014
Start page: 36
End page: 41
Number of pages: 6
ISSN: 0048-5772
DOI: http://dx.doi.org/10.1111/psyp.12145
View additional information: View in Web of Science™
Abstract
Diminished emotional capacity is a core characteristic of psychopathic personality. We examined behavioral and electrophysiological differences in attentional bias to emotional material in 34 healthy individuals rated high or low in psychopathic traits using the short form of the Psychopathic Personality Inventory-Revised (18 high-trait, 16 low-trait). While performing an emotional Stroop task, high-trait participants displayed reduced emotional modulation of the late positive potential (LPP, 400-600ms), and early anterior positivity (EAP, 200-300ms) amplitudes. Results suggest blunted bias to affective content in psychopathic personality, characterized by diminished early capture to emotional salience (EAP) and dampened cognitive emotional processing (LPP).
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