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Nat Neurosci. 2011 Oct 9;14(11):1418-20. doi: 10.1038/nn.2934.

Sleep and waking modulate spine turnover in the adolescent mouse cortex.

Author information

1
Department of Psychiatry, University of Wisconsin, Madison, Wisconsin, USA.

Abstract

Cortical development involves synaptic formation and elimination. Although synaptogenesis predominates in the early stages and pruning in the later stages, the two processes are thought to happen concurrently. In adults, synaptic strength is modulated by behavioral state, and we asked whether synaptic remodeling may be affected by sleep and waking states. Using two-photon microscopy in adolescent mice, we found that waking results in a net increase in cortical spines, whereas sleep is associated with net spine loss.

PMID:
21983682
PMCID:
PMC3203346
DOI:
10.1038/nn.2934
[Indexed for MEDLINE]
Free PMC Article

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