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Article: Targeted memory reactivation during sleep influences social bias as a function of slow‐oscillation phase and delta power

TitleTargeted memory reactivation during sleep influences social bias as a function of slow‐oscillation phase and delta power
Authors
KeywordsEEG
memory consolidation
slow-oscillation phase
slow-wave sleep
targeted memory reactivation
Issue Date2-Dec-2022
PublisherWiley
Citation
Psychophysiology, 2023, v. 60, n. 5 How to Cite?
Abstract

To understand how memories are reactivated and consolidated during sleep, experimenters have employed the unobtrusive re-presentation of memory cues from a variety of pre-sleep learning tasks. Using this procedure, known as targeted memory reactivation (TMR), we previously found that reactivation of counter social-bias training during post-training sleep could selectively enhance training effects in reducing unintentional social biases. Here, we describe re-analyses of electroencephalographic (EEG) data from this previous study to characterize neurophysiological correlates of TMR-induced bias reduction. We found that
TMR benefits in bias reduction were associated with (a) the timing of memory related cue presentation relative to the 0.1–1.5 Hz slow-oscillation phase and (b) cue-elicited EEG power within the 1–4 Hz delta range. Although cue delivery was at a fixed rate in this study and not contingent on the slow-oscillation phase, cues were found to be clustered in slow-oscillation upstates for those participants with stronger TMR benefits. Similarly, higher cue-elicited delta power 250–1000 ms after cue onset was also linked with larger TMR benefits. These electrophysiological results substantiate the claim that memory reactivation altered social bias in the original study, while also informing neural explanations of these benefits. Future research should consider these sleep physiology parameters in relation to TMR applications and to memory reactivation in general.


Persistent Identifierhttp://hdl.handle.net/10722/337900
ISSN
2023 Impact Factor: 2.9
2023 SCImago Journal Rankings: 1.303
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXia, T-
dc.contributor.authorAntony, JW-
dc.contributor.authorPaller, KA-
dc.contributor.authorHu, XQ-
dc.date.accessioned2024-03-11T10:24:46Z-
dc.date.available2024-03-11T10:24:46Z-
dc.date.issued2022-12-02-
dc.identifier.citationPsychophysiology, 2023, v. 60, n. 5-
dc.identifier.issn0048-5772-
dc.identifier.urihttp://hdl.handle.net/10722/337900-
dc.description.abstract<p>To understand how memories are reactivated and consolidated during sleep, experimenters have employed the unobtrusive re-presentation of memory cues from a variety of pre-sleep learning tasks. Using this procedure, known as targeted memory reactivation (TMR), we previously found that reactivation of counter social-bias training during post-training sleep could selectively enhance training effects in reducing unintentional social biases. Here, we describe re-analyses of electroencephalographic (EEG) data from this previous study to characterize neurophysiological correlates of TMR-induced bias reduction. We found that<br>TMR benefits in bias reduction were associated with (a) the timing of memory related cue presentation relative to the 0.1–1.5 Hz slow-oscillation phase and (b) cue-elicited EEG power within the 1–4 Hz delta range. Although cue delivery was at a fixed rate in this study and not contingent on the slow-oscillation phase, cues were found to be clustered in slow-oscillation upstates for those participants with stronger TMR benefits. Similarly, higher cue-elicited delta power 250–1000 ms after cue onset was also linked with larger TMR benefits. These electrophysiological results substantiate the claim that memory reactivation altered social bias in the original study, while also informing neural explanations of these benefits. Future research should consider these sleep physiology parameters in relation to TMR applications and to memory reactivation in general.</p>-
dc.languageeng-
dc.publisherWiley-
dc.relation.ispartofPsychophysiology-
dc.subjectEEG-
dc.subjectmemory consolidation-
dc.subjectslow-oscillation phase-
dc.subjectslow-wave sleep-
dc.subjecttargeted memory reactivation-
dc.titleTargeted memory reactivation during sleep influences social bias as a function of slow‐oscillation phase and delta power-
dc.typeArticle-
dc.identifier.doi10.1111/psyp.14224-
dc.identifier.scopuseid_2-s2.0-85143418169-
dc.identifier.volume60-
dc.identifier.issue5-
dc.identifier.eissn1469-8986-
dc.identifier.isiWOS:000916737500001-
dc.identifier.issnl0048-5772-

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