Cited by 115Sleep and Wakefulness ResearchMemory and Neural MechanismsNeuroscience and Neuropharmacology Research

REM sleep deprivation-induced deficits in the latency-to-peak induction and maintenance of long-term potentiation within the CA1 region of the hippocampus

Davis, Christopher J., Harding, Joseph W., Wright, John W.·2003·Brain Research

Abstract

Sleep loss adversely affects certain types of cognitive processing, particularly associative memory. Given that long-term potentiation (LTP) represents a putative cellular basis of learning and memory consolidation, the influence of sleep deprivation on LTP was examined. Rats were REM sleep deprived for 24, 48, or 72 h using the inverted flowerpot method in temperature-regulated chambers. Hippocampal slices taken from sleep-deprived rats were compared with home cage and pedestal control animals at 5, 15 and 60 min post-tetanization. The results indicated that at 5 min post-tetanization there were no differences in field potentials in any of the sleep-deprived or control groups, suggesting comparable levels of induction. However, analysis of latency-to-peak slope indicated that members of the 48 and 72 h sleep-deprived groups required approximately twice as long to achieve maximum slope as the 24 h group, home cage or 24, 48, 72 h pedestal controls (means 8.17, 7.50, 2.67, 4.67 and 3.17 min, respectively). At 15 min post-tetanization there were no group differences, however at 60 min post-tetanization the slopes of the field excitatory postsynaptic potentials were significantly diminished for the 24, 48 and 72 h sleep-deprived groups (means 30.44, -1.89, 1.47, respectively) as compared with home cage and pedestal controls (means 59.54, 58.42, respectively). This delay in maximal induction, and the degradation of the maintenance phase of LTP, may represent sleep deprivation-induced impairment of the underlying neurochemical mechanisms normally responsible for memory acquisition.

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Crossref · 10.1016/s0006-8993(03)02508-3

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  • Selective deprivation of REM sleep appears to be sufficient for producing an impairment in LTP induction.

    “Selective deprivation of REM sleep appears to be sufficient for producing an impairment in LTP induction (269,270,596,636,743,970,1010).”

    From About Sleep's Role in Memory (2013) · cites this paper as [269]

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Authors
Davis, C. J., Harding, J. W., & Wright, J. W.
Affiliations
Washington State University (US)
Corresponding author
Wright, John W.
Venue
Brain Research
Publisher
Elsevier BV
Published
2003-05
Volume
973
Issue
2
Pages
293-297
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2001289346
Cited by
115
References
38
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 4 · 2022: 2 · 2020: 1 · 2019: 3 · 2018: 7 · 2017: 6 · 2016: 1 · 2015: 6 · 2014: 8 · 2013: 8 · 2012: 4
FWCI
3.87
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
REM sleep deprivation, long-term potentiation, hippocampal CA1, LTP maintenance, excitatory postsynaptic potentials, memory consolidation, sleep and memory
MeSH terms
Animals, Electric Stimulation, Electrophysiology, Female, Hippocampus, Sleep Deprivation, Time Factors, Rats, Sprague-Dawley, Long-Term Potentiation, Excitatory Postsynaptic Potentials, Rats, In Vitro Techniques

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