Circadian Mechanisms in Synaptic Plasticity

A special issue of Clocks & Sleep (ISSN 2624-5175).

Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 4292

Special Issue Editor


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Guest Editor
Washington State University-Spokane, Sleep and Performance Research Center, College of Medical Sciences, Pharmaceutical and Biomedical Sciences Building 213, 412 E Spokane Falls Blvd., Spokane, WA 99202, USA
Interests: neural development; sleep; synaptic plasticity; glia
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Special Issue Information

Dear Colleagues,

Sleep is widely considered to play an important role in brain plasticity. Nevertheless, there are contradictory findings in the field, and there is no single universally accepted theory that explains this putative sleep function. One contributing factor to this impasse may be the influence of biological clocks. There is accumulating evidence that biological clocks (central and peripheral) independently alter synapse number, morphology, enzymatic activity, and strength. Therefore, some changes in synapses ascribed to sleep may in fact be caused by biological clocks. A more complete understanding of brain plasticity requires that the effects of experience, brain state, and circadian rhythms are better defined. In this Special Issue, we invite submissions addressing how circadian rhythms influence brain plasticity, or processes dependent upon brain plasticity (e.g., learning and memory, and neurodevelopment). We also encourage submissions aimed at elucidating how brain states, experience, and clocks work together to produce adaptive plastic changes in the brain.

Prof. Marcos G. Frank
Guest Editor

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Keywords

  • circadian
  • synapse
  • plasticity
  • Hebbian
  • sleep
  • clock
  • SCN
  • memory
  • kinase
  • scaling

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Published Papers (1 paper)

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Research

18 pages, 2741 KiB  
Article
Short-Term Memory Deficits in the SLEEP Inbred Panel
by Shailesh Kumar, Kirklin R. Smith, Yazmin L. Serrano Negron and Susan T. Harbison
Clocks & Sleep 2019, 1(4), 471-488; https://doi.org/10.3390/clockssleep1040036 - 28 Oct 2019
Cited by 3 | Viewed by 3767
Abstract
Although sleep is heritable and conserved across species, sleep duration varies from individual to individual. A shared genetic architecture between sleep duration and other evolutionarily important traits could explain this variability. Learning and memory are critical traits sharing a genetic architecture with sleep. [...] Read more.
Although sleep is heritable and conserved across species, sleep duration varies from individual to individual. A shared genetic architecture between sleep duration and other evolutionarily important traits could explain this variability. Learning and memory are critical traits sharing a genetic architecture with sleep. We wanted to know whether learning and memory would be altered in extreme long or short sleepers. We therefore assessed the short-term learning and memory ability of flies from the Sleep Inbred Panel (SIP), a collection of 39 extreme long- and short-sleeping inbred lines of Drosophila. Neither long nor short sleepers had appreciable learning, in contrast to a moderate-sleeping control. We also examined the response of long and short sleepers to enriched social conditions, a paradigm previously shown to induce morphological changes in the brain. While moderate-sleeping control flies had increased daytime sleep and quantifiable increases in brain structures under enriched social conditions, flies of the Sleep Inbred Panel did not display these changes. The SIP thus emerges as an important model for the relationship between sleep and learning and memory. Full article
(This article belongs to the Special Issue Circadian Mechanisms in Synaptic Plasticity)
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