Cited by 227Sleep and Wakefulness ResearchNeural dynamics and brain functionNeuroscience and Neuropharmacology Research

Acetylcholine systems and rhythmic activities during the waking—sleep cycle

Steriade, Mircea·2004·Progress in brain research

Abstract

The two processes of activation in thalamocortical systems exerted by mesopontine cholinergic neurons are (a) a direct depolarization associated with increased input resistance of thalamic relay neurons, which is antagonized by muscarinic blockers, and (b) a disinhibition of the same neurons via hyperpolarization of inhibitory thalamic reticular neurons. Low-frequency (< 15 Hz) oscillations during slow-wave sleep, characterized by rhythmic and prolonged hyperpolarizations, are suppressed by brainstem cholinergic neurons and nucleus basalis cholinergic and GABAergic neurons projecting to thalamic reticular neurons. Fast rhythms (20-60 Hz) appear during the sustained depolarization of thalamic and neocortical neurons during brain-active states that are accompanied by increased release of acetylcholine (ACh) in the thalamus and cerebral cortex. Such fast rhythms also occur during the depolarizing phases of the slow oscillation (0.5-1 Hz) in non-REM sleep. Intracellular recordings of neocortical neurons during natural states of waking and sleep demonstrate stable and increased input resistance of corticocortical and corticothalamic neurons during the sustained depolarization in wakefulness, compared to the depolarizing phase of the slow oscillation in non-REM sleep. Despite the highly increased synaptic inputs along different afferent systems that open many conductances of cortical neurons during wakefulness, the increased input resistance is attributed to the effect of acetylcholine on cortical neurons.

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Crossref · 10.1016/s0079-6123(03)45013-9

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  • Cholinergic signaling can alter thermoregulation, sleep patterns, food intake and endocrine functions such as pancreatic release of insulin and glucagon.

    “Cholinergic signaling can alter thermoregulation (Myers and Waller, 1973), sleep patterns (Steriade, 2004), food intake (Grunberg et al., 1988; Mineur et al., 2011) and endocrine functions such as pancreatic release of insulin and glucagon (Ishikawa et al., 1982).”

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Authors
Steriade, M.
Affiliations
Université Laval (CA)
Corresponding author
Steriade, Mircea
Venue
Progress in brain research
Publisher
Elsevier
Published
2004
Volume
145
Pages
179-196
ISSN
0079-6123 (ISSN-L)
OpenAlex
W1599216135
Cited by
227
References
67
Citations by year
2026: 8 · 2025: 9 · 2024: 6 · 2023: 7 · 2022: 4 · 2021: 7 · 2020: 6 · 2019: 6 · 2018: 13 · 2017: 15 · 2016: 4 · 2015: 20 · 2014: 9 · 2013: 12 · 2012: 14
FWCI
17.30
Type
book chapter
Language
en
Open access
closed
Locations
  • Progress in brain research (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (1-R01 NS40522-01, R01NS040522)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
acetylcholine, thalamocortical system, thalamocortical neurons, thalamic reticular neurons, slow-wave sleep, fast oscillations, NREM sleep, slow oscillations, input resistance, cortical neurons, nucleus basalis of Meynert, GABAergic neurons, cholinergic modulation
MeSH terms
Acetylcholine, Animals, Brain, Cholinergic Fibers, Humans, Periodicity, Sleep Stages, Wakefulness

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