Cited by 706Memory and Neural MechanismsMemory Processes and InfluencesSleep and Wakefulness Research

The DOI matches its Crossref record; 144 of the 148 references it cites were found in a registry or an index.

Memory Consolidation

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Squire, Larry R., Genzel, Lisa, Wixted, John T., Morris, Richard G.·2015·Cold Spring Harbor Perspectives in Biology

Abstract

Conscious memory for a new experience is initially dependent on information stored in both the hippocampus and neocortex. Systems consolidation is the process by which the hippocampus guides the reorganization of the information stored in the neocortex such that it eventually becomes independent of the hippocampus. Early evidence for systems consolidation was provided by studies of retrograde amnesia, which found that damage to the hippocampus-impaired memories formed in the recent past, but typically spared memories formed in the more remote past. Systems consolidation has been found to occur for both episodic and semantic memories and for both spatial and nonspatial memories, although empirical inconsistencies and theoretical disagreements remain about these issues. Recent work has begun to characterize the neural mechanisms that underlie the dialogue between the hippocampus and neocortex (e.g., "neural replay," which occurs during sharp wave ripple activity). New work has also identified variables, such as the amount of preexisting knowledge, that affect the rate of consolidation. The increasing use of molecular genetic tools (e.g., optogenetics) can be expected to further improve understanding of the neural mechanisms underlying consolidation.

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Metadata

Authors
Squire, L. R., Genzel, L., Wixted, J. T., & Morris, R. G.
Affiliations
  • University of California San Diego (US)
  • University of Edinburgh (GB)
Venue
Cold Spring Harbor Perspectives in Biology
Published
2015-08
Volume
7
Issue
8
Pages
a021766
ISSN
1943-0264 (ISSN-L)
OpenAlex
W4247532959
Cited by
700
References
148
Citations by year
2026: 70 · 2025: 97 · 2024: 100 · 2023: 78 · 2022: 83 · 2021: 83 · 2020: 68 · 2019: 45 · 2018: 26 · 2017: 27 · 2016: 14 · 2015: 6
Type
posted content
Language
en
Open access
Locations
  • Cold Spring Harbor Perspectives in Biology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Veterans Affairs
  • U.S. Public Health Service (24600)
  • National Institute of Mental Health (24600, Grant 24600)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
memory consolidation, systems consolidation, hippocampus, neocortex, retrograde amnesia, episodic memory, semantic memory, spatial memory, neural replay, sharp-wave ripples, optogenetics
MeSH terms
Animals, Hippocampus, Humans, Memory, Neocortex

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