Cited by 78Sleep and Wakefulness ResearchMemory and Neural MechanismsSleep and Work-Related Fatigue

Animal Studies on the Role of Sleep in Memory: From Behavioral Performance to Molecular Mechanisms

Havekes, Robbert, Meerlo, Peter, Abel, Ted·2015·Current Topics in Behavioral Neurosciences

Abstract

Although the exact functions of sleep remain a topic of debate, several hypotheses propose that sleep benefits neuronal plasticity, which ultimately supports brain function and cognition . For over a century, researchers have applied a wide variety of behavioral, electrophysiological, biochemical, and molecular approaches to study how memory processes are promoted by sleep and perturbed by sleep loss. Interestingly, experimental studies indicate that cognitive impairments as a consequence of sleep deprivation appear to be most severe with learning and memory processes that require the hippocampus , which suggests that this brain region is particularly sensitive to the consequences of sleep loss. Moreover, recent studies in laboratory rodents indicate that sleep deprivation impairs hippocampal neuronal plasticity and memory processes by attenuating intracellular cyclic adenosine monophosphate (cAMP)-protein kinase A (PKA) signaling. Attenuated cAMP-PKA signaling can lead to a reduced activity of the transcription factor cAMP response element binding protein (CREB) and ultimately affect the expression of genes and proteins involved in neuronal plasticity and memory formation. Pharmacogenetic experiments in mice show that memory deficits following sleep deprivation can be prevented by specifically boosting cAMP signaling in excitatory neurons of the hippocampus. Given the high incidence of sleep disturbance and sleep restriction in our 24/7 society, understanding the consequences of sleep loss and unraveling the underlying molecular mechanisms is of great importance.

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Crossref · 10.1007/7854_2015_369

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  • Many selective synaptic pruning and refinement processes occur during sleep, and sleep is crucial for proper circuit maturation and long-term memory formation in humans and animals.

    “Many of these selective synaptic pruning and refinement processes occur during sleep, and sleep is crucial for proper circuit maturation and long-term memory formation in humans and animals201–204.”

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Authors
Havekes, R., Meerlo, P., & Abel, T.
Affiliations
  • University of Pennsylvania (US)
  • University of Groningen (NL)
Corresponding author
Havekes, Robbert
Venue
Current Topics in Behavioral Neurosciences
Published
2015
Volume
25
Pages
183-206
ISSN
  • 1866-3370 (ISSN-L)
  • 1866-3389
OpenAlex
W2106411985
Cited by
78
References
105
Citations by year
2026: 6 · 2025: 6 · 2024: 6 · 2023: 8 · 2022: 2 · 2021: 6 · 2020: 9 · 2019: 10 · 2018: 6 · 2017: 11 · 2016: 7 · 2015: 1
FWCI
17.48
Type
book chapter
Language
en
Open access
closed
Locations
  • Current topics in behavioral neurosciences (publishedVersion)
  • PubMed (publishedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
Funders
National Institute on Aging (P01AG017628)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
Keywords
sleep, memory consolidation, sleep deprivation, hippocampus, neuroplasticity, cAMP signaling, protein kinase A, CREB, gene expression, excitatory neurons, pharmacogenetics, cognitive impairment
MeSH terms
Animals, Behavior, Animal, Memory, Sleep, Sleep Deprivation, Long-Term Potentiation

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