Cited by 155Memory and Neural MechanismsSleep and Wakefulness ResearchMemory Processes and Influences

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Hippocampal sharp-wave ripples in waking and sleeping states

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Roumis, Demetris K, Frank, Loren M·2015·Current Opinion in Neurobiology

DOI 10.1016/j.conb.2015.05.001PMC PMC4641767

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Abstract

Waking and sleeping states are privileged periods for distinct mnemonic processes. In waking behavior, rapid retrieval of previous experience aids memory-guided decision making. In sleep, a gradual series of reactivated associations supports consolidation of episodes into memory networks. Synchronized bursts of hippocampal place cells during events called sharp-wave ripples communicate associated neural patterns across distributed circuits in both waking and sleeping states. Differences between sleep and awake sharp-wave ripples, and in particular the accuracy of recapitulated experience, highlight their state-dependent roles in memory processes.

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Authors: Roumis, D. K., & Frank, L. M.
Affiliations: University of California, San Francisco (US)
Corresponding author: Frank, Loren M
ORCID: Roumis, Demetris K
Frank, Loren M
Venue: Current Opinion in Neurobiology
Publisher: Elsevier BV
Published: 2015-12
Volume: 35
Pages: 6-12
ISSN: 0959-4388 (ISSN-L)
DOI: 10.1016/j.conb.2015.05.001
PMC: PMC4641767
OpenAlex: W301412097
Semantic Scholar: aa0b2b4f78ed570b27a468e1a3b483aff48de43e
Cited by: 155
References: 74
Citations by year: 2026: 8 · 2025: 25 · 2024: 9 · 2023: 14 · 2022: 13 · 2021: 10 · 2020: 10 · 2019: 18 · 2018: 24 · 2017: 8 · 2016: 12 · 2015: 2
FWCI: 1.51
Type: journal article
Language: en
Open access: green
www.ncbi.nlm.nih.gov
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
www.elsevier.com/legal/tdmrep-license (tdm)
Locations: Current Opinion in Neurobiology (publishedVersion)
PubMed (publishedVersion)
Europe PMC (PubMed Central) (acceptedVersion)
PubMed Central (acceptedVersion)
eScholarship (California Digital Library) (submittedVersion)
Funders: National Institute of Mental Health (R01MH105174, R01MH090188)
National Institute of Neurological Disorders and Stroke (U01NS094288)
Topics: Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords: sharp-wave ripples, hippocampus, sleep, wakefulness, memory consolidation, memory retrieval, place cells, neural replay, memory-guided decision-making
MeSH terms: Animals, Hippocampus, Humans, Memory, Sleep, Wakefulness, Brain Waves

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Hippocampal sharp-wave ripples in waking and sleeping states

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