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Maintenance of youth-like processing protects against false memory in later adulthood

Fandakova Y, Lindenberger U & Shing YL (2015) Maintenance of youth-like processing protects against false memory in later adulthood, Neurobiology of Aging, 36 (2), pp. 933-941.

Normal cognitive aging compromises the ability to form and retrieve associations among features of a memory episode. One indicator of this age-related deficit is older adults' difficulty in detecting and correctly rejecting new associations of familiar items. Comparing 28 younger and 30 older adults on a continuous recognition task with word pairs, we found that older adults whose activation patterns deviate less from the average pattern of younger adults while detecting repaired associations show the following: (1) higher overall memory and fewer false recognitions; (2) stronger functional connectivity of prefrontal regions with middle temporal and parahippocampal gyrus; and (3) higher recall and strategic categorical clustering in an independently assessed free recall task. Deviations from the average young-adult network reflected underactivation of frontoparietal regions instead of overactivation of regions not activated by younger adults. We conclude that maintenance of youth-like task-relevant activation patterns is critical for preserving memory functions in later adulthood.

Episodic memory; Aging; False memory; Cognitive control; fMRI

AuthorsFandakova Yana, Lindenberger Ulman, Shing Yee Lee
Publication date02/2015
Publication date online22/10/2014
Date accepted by journal14/10/2014
ISSN 0197-4580

Neurobiology of Aging: Volume 36, Issue 2 (2015)

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