Cited by 755Sleep and Wakefulness ResearchMemory and Neural MechanismsMemory Processes and Influences

Sleep-dependent memory triage: evolving generalization through selective processing

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Stickgold, Robert, Walker, Matthew P·2013·Nature Neuroscience

Abstract

The brain does not retain all the information it encodes in a day. Much is forgotten, and of those memories retained, their subsequent evolution can follow any of a number of pathways. Emerging data makes clear that sleep is a compelling candidate for performing many of these operations. But how does the sleeping brain know which information to preserve and which to forget? What should sleep do with that information it chooses to keep? For information that is retained, sleep can integrate it into existing memory networks, look for common patterns and distill overarching rules, or simply stabilize and strengthen the memory exactly as it was learned. We suggest such 'memory triage' lies at the heart of a sleep-dependent memory processing system that selects new information, in a discriminatory manner, and assimilates it into the brain's vast armamentarium of evolving knowledge, helping guide each organism through its own, unique life.

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  • Across diverse forms of memory, sleep following encoding results in improved memory performance after a delay.

    “Across diverse forms memory, sleep following encoding results in improved memory performance after a delay [13, 14].”

    From Constructive episodic simulation in dreams (2022) · cites this paper as [14]

  • Sleep has been shown to modulate the processing of emotional memory.

    “Sleep has been shown to modulate the processing of emotional memory.[66][67][68]”
  • Sleep enables extraction of regularities across instances, loss of contextual information, and retention of gist, as seen in extra-hippocampal regions.

    “On the other hand, sleep enables the extraction of regularities across instances, the loss of contextual information and the retention of gist, as seen in representations in extra-hippocampal regions 89,97 .”

    From From cognitive maps to spatial schemas (2023) · cites this paper as [97]

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Research works printed but not linked: 3

  1. [15]Diekelmann S Born J The memory function of sleep Nature Reviews Neuroscience 11 114 126 2010 20046194
  2. [16]Walker MP Stickgold R Sleep-dependent learning and memory consolidation Neuron 44 121 133 2004 15450165
  3. [77]Saletin JM Goldstein AN Walker MP The Role of Sleep in Directed Forgetting and Remembering of Human Memories Cerebr Cortex 21 2534 2541 2011 PMC3183424 21459838

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Authors
Stickgold, R., & Walker, M. P.
Affiliations
  • Beth Israel Deaconess Medical Center (US)
  • University of California, Berkeley (US)
Corresponding author
  • Stickgold, Robert
  • Walker, Matthew P
Venue
Nature Neuroscience
Published
2013-01-28
Volume
16
Issue
2
Pages
139-145
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2036537336
Cited by
755
References
77
Citations by year
2026: 29 · 2025: 44 · 2024: 45 · 2023: 113 · 2022: 39 · 2021: 50 · 2020: 58 · 2019: 71 · 2018: 58 · 2017: 60 · 2016: 40 · 2015: 62 · 2014: 58 · 2013: 26 · 2012: 1
FWCI
5.31
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (R01AG031164, AG031164)
  • National Institute of Mental Health (MH-48832, R01MH093537, MH093537, R01MH048832, MH92638, R01MH092638)
  • National Institute on Drug Abuse (DA031939, R21DA031939)
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, forgetting, memory generalization, memory integration, memory stabilization, feature binding, evolution of memory
MeSH terms
Animals, Discrimination, Psychological, Humans, Learning, Memory, Psychological Theory, Sleep

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