Sleep deprivation induces fragmented memory loss

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Ashton, Jennifer E., Harrington, Marcus O. ORCID: https://orcid.org/0000-0002-6292-7595, Langthorne, Diane, Ngo, Hong Viet V. and Cairney, Scott A. (2020) Sleep deprivation induces fragmented memory loss. Learning and Memory, 27 (4). pp. 130-135. ISSN 1072-0502

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Abstract

Sleep deprivation increases rates of forgetting in episodic memory. Yet, whether an extended lack of sleep alters the qualitative nature of forgetting is unknown. We compared forgetting of episodic memories across intervals of overnight sleep, daytime wakefulness, and overnight sleep deprivation. Item-level forgetting was amplified across daytime wakefulness and overnight sleep deprivation, as compared to sleep. Importantly, however, overnight sleep deprivation led to a further deficit in associative memory that was not observed after daytime wakefulness. These findings suggest that sleep deprivation induces fragmentation among item memories and their associations, altering the qualitative nature of episodic forgetting.

Item Type: Article
Additional Information: Funding Information: This work was supported by Medical Research Council (MRC) Career Development Award (MR/P020208/1) to S.A.C. We are very grateful to two anonymous reviewers for their helpful comments on an earlier version of this manuscript. Publisher Copyright: © 2020 Ashton et al. This article, published in Learning & Memory, is available under a Creative Commons License (Attribution 4.0 International), as described at http://creativecommons.org/licenses/by/4.0/.
Uncontrolled Keywords: neuropsychology and physiological psychology,cognitive neuroscience,cellular and molecular neuroscience ,/dk/atira/pure/subjectarea/asjc/3200/3206
Faculty \ School: Faculty of Social Sciences > School of Psychology
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Depositing User: LivePure Connector
Date Deposited: 13 Jan 2023 14:30
Last Modified: 13 Jan 2023 14:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/90568
DOI: 10.1101/lm.050757.119

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