کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7278880 | 1473874 | 2014 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
ERP evidence for an early emotional bias towards happy faces in trait anxiety
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب رفتاری
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چکیده انگلیسی
The present study examined the influence of trait anxiety on the early stages of emotional face processing. In order to test if such early effect of anxiety could appear in response to positive as well as to negative stimuli, we recorded event-related potentials in response to both happy and fearful faces - contrasted with neutral faces - during a task where attention was explicitly directed to the emotion, in two groups differing by their anxiety level. We observed an amplification of the occipital P1 peak (90-120Â ms) in response to happy compared to neutral faces in high trait anxious participants but not in the low trait anxious ones. Additionally, the N170 and EPN components were enhanced for the negative (fearful) faces, with no impact of trait anxiety. Our results provide evidence for an early bias towards positive stimuli in trait anxiety.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biological Psychology - Volume 99, May 2014, Pages 183-192
Journal: Biological Psychology - Volume 99, May 2014, Pages 183-192
نویسندگان
Shasha Morel, Nathalie George, Aurélie Foucher, Mariam Chammat, Stéphanie Dubal,