The Associative Memory Deficit in Aging Is Related to Reduced Selectivity of Brain Activity during Encoding.
Journal of Cognitive Neuroscience(2016)
摘要
Human aging is characterized by reductions in the ability to remember associations between items, despite intact memory for single items. Older adults also show less selectivity in task-related brain activity, such that patterns of activation become less distinct across multiple experimental tasks. This reduced selectivity or dedifferentiation has been found for episodic memory, which is often red...
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