دانلود مقاله ISI انگلیسی شماره 71382
عنوان فارسی مقاله

روابط بین سن، عملکرد حافظه انجمنی و ارتباطات عصبی رمزگذاری موفق حافظه انجمنی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
71382 2015 14 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
The relationships between age, associative memory performance, and the neural correlates of successful associative memory encoding
منبع

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

Journal : Neurobiology of Aging, Volume 42, June 2016, Pages 163–176

کلمات کلیدی
fMRI؛ پیری - شناخت انجمنی؛ حافظه اپیزودیک؛ هیپوکامپ؛
پیش نمایش مقاله
پیش نمایش مقاله روابط بین سن، عملکرد حافظه انجمنی و ارتباطات عصبی رمزگذاری موفق حافظه انجمنی

چکیده انگلیسی

Using functional magnetic resonance imaging, subsequent memory effects (greater activity for later remembered than later forgotten study items) predictive of associative encoding were compared across samples of young, middle-aged, and older adults (total N = 136). During scanning, participants studied visually presented word pairs. In a later test phase, they discriminated between studied pairs, “rearranged” pairs (items studied on different trials), and new pairs. Subsequent memory effects were identified by contrasting activity elicited by study pairs that went on to be correctly judged intact or incorrectly judged rearranged. Effects in the hippocampus were age-invariant and positively correlated across participants with associative memory performance. Subsequent memory effects in the right inferior frontal gyrus (IFG) were greater in the older than the young group. In older participants only, both left and, in contrast to prior reports, right IFG subsequent memory effects correlated positively with memory performance. We suggest that the IFG is especially vulnerable to age-related decline in functional integrity and that the relationship between encoding-related activity in right IFG and memory performance depends on the experimental context.

خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.