Sleep reactivation did not boost suppression-induced forgetting

Abstract Sleep's role in memory consolidation is widely acknowledged, but its role in weakening memories is still debated. Memory weakening is evolutionary beneficial and makes an integral contribution to cognition. We sought evidence on whether sleep-based memory reactivation can facilitate me...

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Autores principales:	Eitan Schechtman, Anna Lampe, Brianna J. Wilson, Eunbi Kwon, Michael C. Anderson, Ken A. Paller
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/54f23be812a441178facd19c0ec3666f
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spelling	oai:doaj.org-article:54f23be812a441178facd19c0ec3666f2021-12-02T14:12:47ZSleep reactivation did not boost suppression-induced forgetting10.1038/s41598-020-80671-w2045-2322https://doaj.org/article/54f23be812a441178facd19c0ec3666f2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80671-whttps://doaj.org/toc/2045-2322Abstract Sleep's role in memory consolidation is widely acknowledged, but its role in weakening memories is still debated. Memory weakening is evolutionary beneficial and makes an integral contribution to cognition. We sought evidence on whether sleep-based memory reactivation can facilitate memory suppression. Participants learned pairs of associable words (e.g., DIET–CREAM) and were then exposed to hint words (e.g., DIET) and instructed to either recall (“think”) or suppress (“no-think”) the corresponding target words (e.g., CREAM). As expected, suppression impaired retention when tested immediately after a 90-min nap. To test if reactivation could selectively enhance memory suppression during sleep, we unobtrusively presented one of two sounds conveying suppression instructions during sleep, followed by hint words. Results showed that targeted memory reactivation did not enhance suppression-induced forgetting. Although not predicted, post-hoc analyses revealed that sleep cues strengthened memory, but only for suppressed pairs that were weakly encoded before sleep. The results leave open the question of whether memory suppression can be augmented during sleep, but suggest strategies for future studies manipulating memory suppression during sleep. Additionally, our findings support the notion that sleep reactivation is particularly beneficial for weakly encoded information, which may be prioritized for consolidation.Eitan SchechtmanAnna LampeBrianna J. WilsonEunbi KwonMichael C. AndersonKen A. PallerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Eitan Schechtman Anna Lampe Brianna J. Wilson Eunbi Kwon Michael C. Anderson Ken A. Paller Sleep reactivation did not boost suppression-induced forgetting
description	Abstract Sleep's role in memory consolidation is widely acknowledged, but its role in weakening memories is still debated. Memory weakening is evolutionary beneficial and makes an integral contribution to cognition. We sought evidence on whether sleep-based memory reactivation can facilitate memory suppression. Participants learned pairs of associable words (e.g., DIET–CREAM) and were then exposed to hint words (e.g., DIET) and instructed to either recall (“think”) or suppress (“no-think”) the corresponding target words (e.g., CREAM). As expected, suppression impaired retention when tested immediately after a 90-min nap. To test if reactivation could selectively enhance memory suppression during sleep, we unobtrusively presented one of two sounds conveying suppression instructions during sleep, followed by hint words. Results showed that targeted memory reactivation did not enhance suppression-induced forgetting. Although not predicted, post-hoc analyses revealed that sleep cues strengthened memory, but only for suppressed pairs that were weakly encoded before sleep. The results leave open the question of whether memory suppression can be augmented during sleep, but suggest strategies for future studies manipulating memory suppression during sleep. Additionally, our findings support the notion that sleep reactivation is particularly beneficial for weakly encoded information, which may be prioritized for consolidation.
format	article
author	Eitan Schechtman Anna Lampe Brianna J. Wilson Eunbi Kwon Michael C. Anderson Ken A. Paller
author_facet	Eitan Schechtman Anna Lampe Brianna J. Wilson Eunbi Kwon Michael C. Anderson Ken A. Paller
author_sort	Eitan Schechtman
title	Sleep reactivation did not boost suppression-induced forgetting
title_short	Sleep reactivation did not boost suppression-induced forgetting
title_full	Sleep reactivation did not boost suppression-induced forgetting
title_fullStr	Sleep reactivation did not boost suppression-induced forgetting
title_full_unstemmed	Sleep reactivation did not boost suppression-induced forgetting
title_sort	sleep reactivation did not boost suppression-induced forgetting
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/54f23be812a441178facd19c0ec3666f
work_keys_str_mv	AT eitanschechtman sleepreactivationdidnotboostsuppressioninducedforgetting AT annalampe sleepreactivationdidnotboostsuppressioninducedforgetting AT briannajwilson sleepreactivationdidnotboostsuppressioninducedforgetting AT eunbikwon sleepreactivationdidnotboostsuppressioninducedforgetting AT michaelcanderson sleepreactivationdidnotboostsuppressioninducedforgetting AT kenapaller sleepreactivationdidnotboostsuppressioninducedforgetting
_version_	1718391727271706624

Sleep reactivation did not boost suppression-induced forgetting

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