کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10464799 | 925705 | 2013 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Recognition advantage of happy faces: Tracing the neurocognitive processes
ترجمه فارسی عنوان
مزایای تشخیص چهره های شاد: ردیابی فرآیندهای شناختی عصبی
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب رفتاری
چکیده انگلیسی
The present study aimed to identify the brain processes-and their time course-underlying the typical behavioral recognition advantage of happy facial expressions. To this end, we recorded EEG activity during an expression categorization task for happy, angry, fearful, sad, and neutral faces, and the correlation between event-related-potential (ERP) patterns and recognition performance was assessed. N170 (150-180Â ms) was enhanced for angry, fearful and sad faces; N2 was reduced and early posterior negativity (EPN; both, 200-320Â ms) was enhanced for happy and angry faces; P3b (350-450Â ms) was reduced for happy and neutral faces; and slow positive wave (SPW; 700-800Â ms) was reduced for happy faces. This reveals (a) an early processing (N170) of negative affective valence (i.e., angry, fearful, and sad), (b) discrimination (N2 and EPN) of affective intensity or arousal (i.e., angry and happy), and (c) facilitated categorization (P3b) and decision (SPW) due to expressive distinctiveness (i.e., happy). In addition, N2, EPN, P3b, and SPW were related to categorization accuracy and speed. This suggests that conscious expression recognition and the typical happy face advantage depend on encoding of expressive intensity and, especially, on later response selection, rather than on the early processing of affective valence.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuropsychologia - Volume 51, Issue 11, September 2013, Pages 2051-2061
Journal: Neuropsychologia - Volume 51, Issue 11, September 2013, Pages 2051-2061
نویسندگان
Manuel G. Calvo, David Beltrán,