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Cueing vocabulary during sleep increases theta activity during later recognition testing


Schreiner, Thomas; Göldi, Maurice; Rasch, Björn (2015). Cueing vocabulary during sleep increases theta activity during later recognition testing. Psychophysiology, 52(11):1538-1543.

Abstract

Neural oscillations in the theta band have repeatedly been implicated in successful memory encoding and retrieval. Several recent studies have shown that memory retrieval can be facilitated by reactivating memories during their consolidation during sleep. However, it is still unknown whether reactivation during sleep also enhances subsequent retrieval-related neural oscillations. We have recently demonstrated that foreign vocabulary cues presented during sleep improve later recall of the associated translations. Here, we examined the effect of cueing foreign vocabulary during sleep on oscillatory activity during subsequent recognition testing after sleep. We show that those words that were replayed during sleep after learning (cued words) elicited stronger centroparietal theta activity during recognition as compared to noncued words. The reactivation-induced increase in theta oscillations during later recognition testing might reflect a strengthening of individual memory traces and the integration of the newly learned words into the mental lexicon by cueing during sleep.

Abstract

Neural oscillations in the theta band have repeatedly been implicated in successful memory encoding and retrieval. Several recent studies have shown that memory retrieval can be facilitated by reactivating memories during their consolidation during sleep. However, it is still unknown whether reactivation during sleep also enhances subsequent retrieval-related neural oscillations. We have recently demonstrated that foreign vocabulary cues presented during sleep improve later recall of the associated translations. Here, we examined the effect of cueing foreign vocabulary during sleep on oscillatory activity during subsequent recognition testing after sleep. We show that those words that were replayed during sleep after learning (cued words) elicited stronger centroparietal theta activity during recognition as compared to noncued words. The reactivation-induced increase in theta oscillations during later recognition testing might reflect a strengthening of individual memory traces and the integration of the newly learned words into the mental lexicon by cueing during sleep.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Scopus Subject Areas:Life Sciences > General Neuroscience
Social Sciences & Humanities > Neuropsychology and Physiological Psychology
Social Sciences & Humanities > Experimental and Cognitive Psychology
Life Sciences > Neurology
Life Sciences > Endocrine and Autonomic Systems
Life Sciences > Developmental Neuroscience
Life Sciences > Cognitive Neuroscience
Life Sciences > Biological Psychiatry
Uncontrolled Keywords:DoktoratPsych Erstautor
Language:English
Date:November 2015
Deposited On:22 Jun 2016 08:42
Last Modified:30 Jul 2020 22:03
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0048-5772
OA Status:Closed
Publisher DOI:https://doi.org/10.1111/psyp.12505
PubMed ID:26235609
Project Information:
  • : FunderSNSF
  • : Grant IDPP00P1_133685
  • : Project TitleA brain state-dependent role of reactivation for memory formation

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