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Sleep, plasticity, and sensory neurodevelopment
Journal article   Open access   Peer reviewed

Sleep, plasticity, and sensory neurodevelopment

Mark S Blumberg, James C Dooley and Alexandre Tiriac
Neuron, Vol.110(20), pp.3230-3242
09/02/2022
DOI: 10.1016/j.neuron.2022.08.005
PMCID: PMC9588561
PMID: 36084653
url
https://doi.org/10.1016/j.neuron.2022.08.005View
Published (Version of record) Open Access

Abstract

A defining feature of early infancy is the immense neural plasticity that enables animals to develop a brain that is functionally integrated with a growing body. Early infancy is also defined as a period dominated by sleep. Here, we describe three conceptual frameworks that vary in terms of whether and how they incorporate sleep as a factor in the activity-dependent development of sensory and sensorimotor systems. The most widely accepted framework is exemplified by the visual system where retinal waves seemingly occur independent of sleep-wake states. An alternative framework is exemplified by the sensorimotor system where sensory feedback from sleep-specific movements activates the brain. We prefer a third framework that encompasses the first two but also captures the diverse ways in which sleep modulates activity-dependent development throughout the nervous system. Appreciation of the third framework will spur progress toward a more comprehensive and cohesive understanding of both typical and atypical neurodevelopment.

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