Cited by 255Sleep and Wakefulness ResearchMemory and Neural MechanismsMemory Processes and Influences

The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.

Dreaming of a Learning Task Is Associated with Enhanced Sleep-Dependent Memory Consolidation

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Abstract

It is now well established that postlearning sleep is beneficial for human memory performance. Meanwhile, human and animal studies have demonstrated that learning-related neural activity is re-expressed during posttraining nonrapid eye movement (NREM) sleep. NREM sleep processes appear to be particularly beneficial for hippocampus-dependent forms of memory. These observations suggest that learning triggers the reactivation and reorganization of memory traces during sleep, a systems-level process that in turn enhances behavioral performance. Here, we hypothesized that dreaming about a learning experience during NREM sleep would be associated with improved performance on a hippocampus-dependent spatial memory task. Subjects were trained on a virtual navigation task and then retested on the same task 5 hr after initial training. Improved performance at retest was strongly associated with task-related dream imagery during an intervening afternoon nap. Task-related thoughts during wakefulness, in contrast, did not predict improved performance. These observations suggest that sleep-dependent memory consolidation in humans is facilitated by the offline reactivation of recently formed memories, and furthermore that dream experiences reflect this memory processing. That similar effects were not observed during wakefulness suggests that these mnemonic processes are specific to the sleep state.

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Crossref · 10.1016/j.cub.2010.03.027

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  1. Wamsley, 2008, Virtual maze learning is enhanced by a short daytime nap containing only NREM sleep, Sleep, 31, A386

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Metadata

Authors
Wamsley, E. J., Tucker, M., Payne, J. D., Benavides, J. A., & Stickgold, R.
Affiliations
Beth Israel Deaconess Medical Center (US)
Corresponding author
Stickgold, Robert
Venue
Current Biology
Publisher
Elsevier BV
Published
2010-05
Volume
20
Issue
9
Pages
850-855
ISSN
0960-9822 (ISSN-L)
OpenAlex
W2017588681
Cited by
255
References
48
Citations by year
2026: 9 · 2025: 13 · 2024: 13 · 2023: 30 · 2022: 9 · 2021: 15 · 2020: 16 · 2019: 9 · 2018: 19 · 2017: 15 · 2016: 12 · 2015: 19 · 2014: 17 · 2013: 25 · 2012: 10
FWCI
11.41
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (T32 HL 07901, T32HL007901)
  • National Institute of Mental Health (R01MH065292, R01-MH 48832, R01MH048832, R01-MH65292)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
sleep-dependent memory consolidation, dreams, NREM sleep, hippocampal-dependent memory, spatial memory, memory reactivation, dream imagery, memory reorganization
MeSH terms
Adolescent, Adult, Cognition, Dreams, Female, Humans, Male, Memory, Psychomotor Performance, Sleep Stages, Maze Learning, Young Adult

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