Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?

Per Davidson,1– 3 Peter Jönsson,4 Ingegerd Carlsson,1 Edward Pace-Schott2,3,5 1Department of Psychology, Lund University, Lund, Sweden; 2Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA; 3Department of Psychiatry, Harvard Medical School, Boston, MA, USA; 4School of Education...

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Autores principales:	Davidson P, Jönsson P, Carlsson I, Pace-Schott E
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	sleep memory emotion rem sleep consolidation forgetting Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
Acceso en línea:	https://doaj.org/article/90db3e59b3904815891fadf2bccb4f28
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spelling	oai:doaj.org-article:90db3e59b3904815891fadf2bccb4f282021-12-02T17:55:05ZDoes Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?1179-1608https://doaj.org/article/90db3e59b3904815891fadf2bccb4f282021-07-01T00:00:00Zhttps://www.dovepress.com/does-sleep-selectively-strengthen-certain-memories-over-others-based-o-peer-reviewed-fulltext-article-NSShttps://doaj.org/toc/1179-1608Per Davidson,1– 3 Peter Jönsson,4 Ingegerd Carlsson,1 Edward Pace-Schott2,3,5 1Department of Psychology, Lund University, Lund, Sweden; 2Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA; 3Department of Psychiatry, Harvard Medical School, Boston, MA, USA; 4School of Education and Environment, Centre for Psychology, Kristianstad University, Kristianstad, Sweden; 5Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA, USACorrespondence: Per Davidson Email per.davidson@psy.lu.seAbstract: Sleep has been found to have a beneficial effect on memory consolidation. It has furthermore frequently been suggested that sleep does not strengthen all memories equally. The first aim of this review paper was to examine whether sleep selectively strengthens emotional declarative memories more than neutral ones. We examined this first by reviewing the literature focusing on sleep/wake contrasts, and then the literature on whether any specific factors during sleep preferentially benefit emotional memories, with a special focus on the often-suggested claim that rapid eye movement sleep primarily consolidates emotional memories. A second aim was to examine if sleep preferentially benefits memories based on other cues of future relevance such as reward, test-expectancy or different instructions during encoding. Once again, we first focused on studies comparing sleep and wake groups, and then on studies examining the contributions of specific factors during sleep (for each future relevance paradigm, respectively). The review revealed that although some support exists that sleep is more beneficial for certain kinds of memories based on emotion or other cues of future relevance, the majority of studies does not support such an effect. Regarding specific factors during sleep, our review revealed that no sleep variable has reliably been found to be specifically associated with the consolidation of certain kinds of memories over others based on emotion or other cues of future relevance.Keywords: sleep, memory, emotion, REM sleep, consolidation, forgettingDavidson PJönsson PCarlsson IPace-Schott EDove Medical Pressarticlesleepmemoryemotionrem sleepconsolidationforgettingPsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol Volume 13, Pp 1257-1306 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	sleep memory emotion rem sleep consolidation forgetting Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
spellingShingle	sleep memory emotion rem sleep consolidation forgetting Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495 Davidson P Jönsson P Carlsson I Pace-Schott E Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?
description	Per Davidson,1– 3 Peter Jönsson,4 Ingegerd Carlsson,1 Edward Pace-Schott2,3,5 1Department of Psychology, Lund University, Lund, Sweden; 2Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA; 3Department of Psychiatry, Harvard Medical School, Boston, MA, USA; 4School of Education and Environment, Centre for Psychology, Kristianstad University, Kristianstad, Sweden; 5Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA, USACorrespondence: Per Davidson Email per.davidson@psy.lu.seAbstract: Sleep has been found to have a beneficial effect on memory consolidation. It has furthermore frequently been suggested that sleep does not strengthen all memories equally. The first aim of this review paper was to examine whether sleep selectively strengthens emotional declarative memories more than neutral ones. We examined this first by reviewing the literature focusing on sleep/wake contrasts, and then the literature on whether any specific factors during sleep preferentially benefit emotional memories, with a special focus on the often-suggested claim that rapid eye movement sleep primarily consolidates emotional memories. A second aim was to examine if sleep preferentially benefits memories based on other cues of future relevance such as reward, test-expectancy or different instructions during encoding. Once again, we first focused on studies comparing sleep and wake groups, and then on studies examining the contributions of specific factors during sleep (for each future relevance paradigm, respectively). The review revealed that although some support exists that sleep is more beneficial for certain kinds of memories based on emotion or other cues of future relevance, the majority of studies does not support such an effect. Regarding specific factors during sleep, our review revealed that no sleep variable has reliably been found to be specifically associated with the consolidation of certain kinds of memories over others based on emotion or other cues of future relevance.Keywords: sleep, memory, emotion, REM sleep, consolidation, forgetting
format	article
author	Davidson P Jönsson P Carlsson I Pace-Schott E
author_facet	Davidson P Jönsson P Carlsson I Pace-Schott E
author_sort	Davidson P
title	Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?
title_short	Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?
title_full	Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?
title_fullStr	Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?
title_full_unstemmed	Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?
title_sort	does sleep selectively strengthen certain memories over others based on emotion and perceived future relevance?
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/90db3e59b3904815891fadf2bccb4f28
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Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?

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