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Targeted memory reactivation of newly learned words during sleep triggers REM-mediated integration of new memories and existing knowledge.

Tamminen, Jakke, Lambon Ralph, Matthew A. and Lewis, Penelope 2017. Targeted memory reactivation of newly learned words during sleep triggers REM-mediated integration of new memories and existing knowledge. Neurobiology of Learning and Memory 137 , pp. 77-82. 10.1016/j.nlm.2016.11.012

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Abstract

Recent memories are spontaneously reactivated during sleep, leading to their gradual strengthening. Whether reactivation also mediates the integration of new memories with existing knowledge is unknown. We used targeted memory reactivation (TMR) during slow-wave sleep (SWS) to selectively cue reactivation of newly learned spoken words. While integration of new words into their phonological neighbourhood was observed in both cued and uncued words after sleep, TMR-triggered integration was predicted by the time spent in rapid eye movement (REM) sleep. These data support complementary roles for SWS and REM in memory consolidation.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff University Brain Research Imaging Centre (CUBRIC)
Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Uncontrolled Keywords: Memory; Sleep; Memory consolidation; Targeted memory reactivation
Publisher: Elsevier
ISSN: 1074-7427
Date of First Compliant Deposit: 21 February 2017
Date of Acceptance: 14 November 2016
Last Modified: 29 Jun 2019 21:18
URI: http://orca.cf.ac.uk/id/eprint/97456

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