清醒和睡眠状态下自由活动猫的延髓网状结构神经元活动
Activity of medullary reticular formation neurons in the unrestrained cat during waking and sleep.
作者信息
Siegel J M, Wheeler R L, McGinty D J
出版信息
Brain Res. 1979 Dec 21;179(1):49-60. doi: 10.1016/0006-8993(79)90488-8.
Abstract
Single units, recorded in the medial medullary reticular formation (RF) in unrestrained, behaving cats, discharged in conjunction with specific movements and postures. Most cells were also active during REM sleep. Discharge rates in active waking and REM sleep were positively correlated and discharge patterns in these states were similar. We conclude that activity in these cells is related to the motor activation occurring in both active waking and REM sleep. We found no cells whose discharge was related in a non-specific way to motor tone or to REM sleep atonia. We discuss mechanisms by which medullary units with specific motor relations may give rise when stimulated to the relatively non-specific motor effects previously reported.
摘要
在未受约束、处于行为状态的猫的内侧延髓网状结构（RF）中记录到的单个神经元，其放电与特定的运动和姿势相关联。大多数细胞在快速眼动睡眠期间也处于活跃状态。清醒活跃状态和快速眼动睡眠期间的放电频率呈正相关，且这些状态下的放电模式相似。我们得出结论，这些细胞的活动与清醒活跃状态和快速眼动睡眠中发生的运动激活有关。我们未发现其放电与肌张力或快速眼动睡眠无张力以非特异性方式相关的细胞。我们讨论了具有特定运动关系的延髓神经元在受到刺激时可能产生先前报道的相对非特异性运动效应的机制。
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