دانلود مقاله ISI انگلیسی شماره 71408
عنوان فارسی مقاله

ارتباطات عصبی رمزگذاری حافظه و تشخیص برای نژاد خود و چهره های نژادهای دیگر

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
71408 2011 13 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
The neural correlates of memory encoding and recognition for own-race and other-race faces
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Neuropsychologia, Volume 49, Issue 11, September 2011, Pages 3103–3115

کلمات کلیدی
ERP؛ پردازش چهره - رمزگذاری حافظه؛ شناخت ؛ خود مسابقه؛ دیگر مسابقه
پیش نمایش مقاله
پیش نمایش مقاله ارتباطات عصبی رمزگذاری حافظه و تشخیص برای نژاد خود و چهره های نژادهای دیگر

چکیده انگلیسی

People are generally better at recognizing faces from their own race than from a different race, as has been shown in numerous behavioral studies. Here we use event-related potentials (ERPs) to investigate how differences between own-race and other-race faces influence the neural correlates of memory encoding and recognition. ERPs of Asian and Caucasian participants were recorded during the study and test phases of a Remember–Know paradigm with Chinese and Caucasian faces. A behavioral other-race effect was apparent in both groups, neither of which recognized other-race faces as well as own-race faces; however, Caucasian subjects showed stronger behavioral other-race effects. In the study phase, memory encoding was assessed with the ERP difference due to memory (Dm). Other-race effects in memory encoding were only found for Caucasian subjects. For subsequently “recollected” items, Caucasian subjects showed less positive mean amplitudes for own-race than other-race faces indicating that less neural activation was required for successful memory encoding of own-race faces. For the comparison of subsequently “recollected” and “familiar” items, Caucasian subjects showed similar brain activation only for own-race faces suggesting that subsequent familiarity and recollection of own-race faces arose from similar memory encoding processes. Experience with a race also influenced old/new effects, which are ERP correlates of recollection measured during recognition testing. Own-race faces elicited a typical parietal old/new effect, whereas old/new effects for other-race faces were prolonged and dominated by activity in frontal brain regions, suggesting a stronger involvement of post-retrieval monitoring processes. These results indicate that the other-race effect is a memory encoding- and recognition-based phenomenon.

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