Gould T J, Steinmetz J E
Department of Psychology, Indiana University, Bloomington 47405-1301.
Brain Res. 1994 Jul 25;652(1):98-106. doi: 10.1016/0006-8993(94)90322-0.
Multiple-unit activity was monitored in the hemispheric lobule VI (HVI) and the interpositus nucleus of the cerebellum during classical discrimination and reversal eyelid conditioning in rabbits. During both phases of conditioning similar patterns of activity were observed in lobule HVI: conditioned response (CR)-related activity was present on conditioned stimulus (CS)+trials but not on CS-trials. Activity in the interpositus nucleus differed during the two phases of conditioning. After discrimination training, CR-related activity was present on CS+but not CS-trials. After reversal training, however, only a weak activation of the interpositus nucleus was seen on CS+trials with no activation present on CS-trials. These data suggest that lobule HVI and the interpositus nucleus may play different roles in classical eyelid conditioning.
在兔经典辨别性和逆向性眼睑条件反射过程中，监测了半球小叶VI（HVI）和小脑间位核的多单位活动。在条件反射的两个阶段，小叶HVI均观察到类似的活动模式：条件刺激（CS）+试验时出现与条件反应（CR）相关的活动，而CS -试验时则没有。间位核的活动在条件反射的两个阶段有所不同。辨别训练后，CS +试验时出现与CR相关的活动，而CS -试验时则没有。然而，逆向训练后，CS +试验时仅见间位核的微弱激活，CS -试验时则无激活。这些数据表明，小叶HVI和间位核在经典眼睑条件反射中可能发挥不同的作用。
