Affiliation:
1. Departments of Psychiatry, and
2. Neurobiology Physiology and Behavior, University of California, Davis, California 95616
Abstract
To determine if 12-h sleep deprivation disrupts neural plasticity, we compared long-term potentiation (LTP) in five sleep-deprived and five control rats. Thirty minutes after tetanus population spike amplitude increased 101 ± 15% in 16 slices from sleep deprived rats and 139 ± 14% in 14 slices from control rats. This significant ( P < 0.05) reduction of LTP, the first demonstration that the sleep deprivation protocol impairs plasticity in adult rats, may be due to several factors. Reduced LTP may indicate that sleep provides a period of recuperation for cellular processes underlying neural plasticity. Alternatively, the stress of sleep deprivation, as indicated by elevated blood corticosterone levels, or other non-sleep-specific factors of deprivation may contribute to the LTP reduction.
Publisher
American Physiological Society
Subject
Physiology,General Neuroscience
Cited by
140 articles.
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