期刊
PHYSIOLOGY & BEHAVIOR
卷 188, 期 -, 页码 58-66出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.physbeh.2017.12.030
关键词
Sleep deprivation (SD); Voluntary exercise; Female intact rats; Learning and memory; Anxiety-like behavior; Locomotion; Corticosterone
资金
- Neuroscience Research Center of Kerman, Iran [KNRC-95-30]
Sleep loss is a common problem in modem societies affecting different aspects of individuals' lives. Many studies have reported that sleep deprivation (SD) leads to impairments in various types of learning and memory. Physical exercise has been suggested to attenuate the cognitive impairments induced by sleep deprivation in male rats. Our previous studies have shown that forced exercise by treadmill improved learning and memory impairments following SD. The aim of the current study was to investigate the effects of voluntary exercise by running wheel on cognitive, motor and anxiety-like behavior functions of female rats following 72 h SD. Intact female rats were used in the present study. The multiple platform method was applied for the induction of 72 h SD. The exercise protocol was 4 weeks of running wheel and the cognitive function was evaluated using Morris water maze (MWM), passive avoidance and novel object recognition tests. Open field test and measurement of plasma corticosterone level were performed for evaluation of anxiety-like behaviors. Motor balance evaluation was surveyed by rotarod test. In this study, remarkable learning and long-term memory impairments were observed in sleep deprived rats in comparison to the other groups. Running wheel exercise ameliorated the SD-induced learning and memory impairments. Voluntary and mandatory locomotion and balance situation were not statistically significant among the different groups. Our study confirmed the negative effects of SD on cognitive function and approved protective effects of voluntary exercise on these negative effects.
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