Hodgson J A
Physiol Behav. 1984 Jan;32(1):17-23. doi: 10.1016/0031-9384(84)90063-5.
This study tested the hypothesis that environmental rearing treatments which alter the REM sleep levels of rats affect swimming immobility, an adaptive, REM sleep sensitive behavior. At weaning, 72 female Sprague-Dawley rats were maintained in either an enriched, an impoverished, or a social control environment for 32-33 days. They were then placed in either a REM sleep depriving platform-in-water condition or in one of two control conditions (large platform or dry control) for 4 days before being scored for swimming immobility during a 10-min swimming test. A 3 (environments) X 3 (platforms) ANOVA revealed a main effect for environments, F(2,63) = 5.20, p less than 0.01. Enriched rats exhibited a behavioral advantage over impoverished rats under the large platform control condition, F(1,63) = 6.58, p less than 0.025, and under the dry control condition, F(1,63) = 6.14, p less than 0.025. However, under the REM depriving condition, their behavioral advantage was virtually eliminated, F(1,63), p less than 1. The conclusion that the REM sleep levels of the rat groups probably determined their swimming immobility scores is discussed.
改变大鼠快速眼动睡眠水平的环境饲养处理会影响游泳不动性，这是一种适应性的、对快速眼动睡眠敏感的行为。在断奶时，将72只雌性斯普拉格-道利大鼠分别置于丰富环境、贫乏环境或社会对照环境中饲养32 - 33天。然后，将它们置于快速眼动睡眠剥夺的水中平台条件或两种对照条件（大平台或干燥对照）之一中4天，之后在10分钟的游泳测试中对其游泳不动性进行评分。一个3（环境）×3（平台）的方差分析显示环境有主效应，F(2,63) = 5.20，p < 0.01。在大平台对照条件下，丰富环境饲养的大鼠比贫乏环境饲养的大鼠表现出行为优势，F(1,63) = 6.58，p < 0.025；在干燥对照条件下，F(1,63) = 6.14，p < 0.025。然而，在快速眼动睡眠剥夺条件下，它们的行为优势几乎消失，F(1,63)，p < 1。本文讨论了大鼠组的快速眼动睡眠水平可能决定其游泳不动性得分这一结论。
