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Memory consolidation effects on memory stabilization and item integration in older adults

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Brown, Helen and Maylor, Elizabeth A. (2017) Memory consolidation effects on memory stabilization and item integration in older adults. Psychonomic Bulletin and Review, 24 (4). pp. 1032-1039. doi:10.3758/s13423-016-1197-0

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Official URL: http://doi.org/10.3758/s13423-016-1197-0

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Abstract

This study examined the differential effects of aging on consolidation processes that strengthen newly-acquired memory traces in veridical form (memory stabilization) versus consolidation processes that are responsible for integrating these memory traces into an existing body of knowledge (item integration). Older adults learned 13 nonwords and were tested on their memory for the nonwords, and on whether these nonwords impacted upon processing of similar-sounding English words immediately and 24 hours later. Participants accurately recognized the nonwords immediately, but showed significant decreases in delayed recognition and recall. In comparison, the nonwords impacted upon processing of similar-sounding words only in the delayed test. Together these findings suggest that memory consolidation processes may be more evident in item integration than memory stabilization processes for new declarative memories in older adults.

Item Type: Journal Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science > Psychology
Library of Congress Subject Headings (LCSH): Memory in old age -- Testing, Older people -- Psychology, Older people -- Language, Aging, Mnemonics
Journal or Publication Title: Psychonomic Bulletin and Review
Publisher: Psychonomic Society
ISSN: 1069-9384
Official Date: August 2017
Dates:
DateEvent
August 2017Published
23 November 2016Available
30 October 2016Accepted
Volume: 24
Number: 4
Page Range: pp. 1032-1039
DOI: 10.3758/s13423-016-1197-0
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Funder: University of Warwick Global Research Priorities Behavioural Science

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