دانلود مقاله ISI انگلیسی شماره 71102
عنوان فارسی مقاله

پاسخ الکتروفیزیولوژیک در طول تصمیمات حافظه مبدأ در بزرگسالان

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
71102 2002 19 صفحه PDF سفارش دهید محاسبه نشده
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عنوان انگلیسی
Electrophysiological Response during Source Memory Decisions in Older and Younger Adults ☆
منبع

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

Journal : Brain and Cognition, Volume 49, Issue 3, August 2002, Pages 322–340

کلمات کلیدی
پیری؛ حافظه؛ توجه؛ بازداری؛ نظارت مبدأ؛ پتانسیل های وابسته به رخداد؛ ERPs؛ درگیری پاسخ؛ خودکار، انتظار: کاهش فرآیندهای کنترل
پیش نمایش مقاله
پیش نمایش مقاله پاسخ الکتروفیزیولوژیک در طول تصمیمات حافظه مبدأ در بزرگسالان

چکیده انگلیسی

We recorded event-related potentials (ERPs) as individuals made source monitoring decisions in a paradigm in which the influence of item familiarity and goal relevance could be separately evaluated. Younger and older adults read a list of words and subsequently distinguished these words from foils in a running recognition test in which some foils were repeated after a lag of 6 items, creating familiar lures. Behaviorally, older and younger adults performed equally well in the recognition of study words and the rejection of singly presented foils. However, older adults were more likely to respond to the familiar lures as though they had come from the study list, thus producing the expected group difference in source-monitoring error. For younger adults the ERPs elicited by the targeted study words were maximal at posterior sites and significantly greater than those elicited by either familiar lures or foils. Older adults generated far less differentiated ERP waveforms but with a markedly greater amplitude at frontal sites. We interpret this frontal maximum in the context of poorer source monitoring as suggesting that older adults are more dependent on controlled processes to make discriminations that seem to occur much earlier and more automatically for younger adults.

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