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Neurobiol Learn Mem. 2017 Jan;137:77-82. doi: 10.1016/j.nlm.2016.11.012. Epub 2016 Nov 15.

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

Author information

1
Neuroscience and Aphasia Research Unit, School of Psychological Sciences, University of Manchester, UK; Department of Psychology, Royal Holloway, University of London, UK. Electronic address: jakke.tamminen@rhul.ac.uk.
2
Neuroscience and Aphasia Research Unit, School of Psychological Sciences, University of Manchester, UK.

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.

KEYWORDS:

Memory; Memory consolidation; Sleep; Targeted memory reactivation

PMID:
27864086
DOI:
10.1016/j.nlm.2016.11.012
[Indexed for MEDLINE]

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