Rest-related consolidation protects the fine detail of new memories

Abstract Newly encoded memories are labile and consolidate over time. The importance of sleep in memory consolidation has been well known for almost a decade. However, recent research has shown that awake quiescence, too, can support consolidation: people remember more new memories if they quietly r...

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Autores principales:	Michael Craig, Michaela Dewar
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/04459962ede04aa686bf844b605fd60d
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spelling	oai:doaj.org-article:04459962ede04aa686bf844b605fd60d2021-12-02T12:32:09ZRest-related consolidation protects the fine detail of new memories10.1038/s41598-018-25313-y2045-2322https://doaj.org/article/04459962ede04aa686bf844b605fd60d2018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25313-yhttps://doaj.org/toc/2045-2322Abstract Newly encoded memories are labile and consolidate over time. The importance of sleep in memory consolidation has been well known for almost a decade. However, recent research has shown that awake quiescence, too, can support consolidation: people remember more new memories if they quietly rest after encoding than if they engage in a task. It is not yet known how exactly this rest-related consolidation benefits new memories, and whether it affects the fine detail of new memories. Using a sensitive picture recognition task, we show that awake quiescence aids the fine detail of new memories. Young adults were significantly better at discriminating recently encoded target pictures from similar lure pictures when the initial encoding of target pictures had been followed immediately by 10 minutes of awake quiescence than an unrelated perceptual task. This novel finding indicates that, in addition to influencing how much we remember, our behavioural state during wakeful consolidation determines, at least in part, the level of fine detail of our new memories. Thus, our results suggest that rest-related consolidation protects the fine detail of new memories, allowing us to retain detailed memories.Michael CraigMichaela DewarNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Michael Craig Michaela Dewar Rest-related consolidation protects the fine detail of new memories
description	Abstract Newly encoded memories are labile and consolidate over time. The importance of sleep in memory consolidation has been well known for almost a decade. However, recent research has shown that awake quiescence, too, can support consolidation: people remember more new memories if they quietly rest after encoding than if they engage in a task. It is not yet known how exactly this rest-related consolidation benefits new memories, and whether it affects the fine detail of new memories. Using a sensitive picture recognition task, we show that awake quiescence aids the fine detail of new memories. Young adults were significantly better at discriminating recently encoded target pictures from similar lure pictures when the initial encoding of target pictures had been followed immediately by 10 minutes of awake quiescence than an unrelated perceptual task. This novel finding indicates that, in addition to influencing how much we remember, our behavioural state during wakeful consolidation determines, at least in part, the level of fine detail of our new memories. Thus, our results suggest that rest-related consolidation protects the fine detail of new memories, allowing us to retain detailed memories.
format	article
author	Michael Craig Michaela Dewar
author_facet	Michael Craig Michaela Dewar
author_sort	Michael Craig
title	Rest-related consolidation protects the fine detail of new memories
title_short	Rest-related consolidation protects the fine detail of new memories
title_full	Rest-related consolidation protects the fine detail of new memories
title_fullStr	Rest-related consolidation protects the fine detail of new memories
title_full_unstemmed	Rest-related consolidation protects the fine detail of new memories
title_sort	rest-related consolidation protects the fine detail of new memories
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/04459962ede04aa686bf844b605fd60d
work_keys_str_mv	AT michaelcraig restrelatedconsolidationprotectsthefinedetailofnewmemories AT michaeladewar restrelatedconsolidationprotectsthefinedetailofnewmemories
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Rest-related consolidation protects the fine detail of new memories

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