Maldonado H M, Schlag J
Exp Neurol. 1984 Nov;86(2):359-78. doi: 10.1016/0014-4886(84)90193-6.
Single-unit activity was recorded with stereotaxically guided microelectrodes in the central thalamus of five alert cats. The animals were studied with the head either fixed or free to move in a horizontal plane. They were trained to make eye and/or head movements toward discrete visual targets presented on a screen. Unit activity was analyzed in relation to triggered and spontaneous gaze displacements with head fixed and free successively. Four groups of cells were found, all within the thalamic internal medullary lamina: 20 cells were active with eye but not head movements, 49 with head but not eye movements, 36 with head or eye movements, and 17 responding to visual stimuli in the absence of movement. The patterns of firing during gaze shifts are described. It is hypothesized that eye- or head-related units carry a signal representing gaze driving.
用立体定位引导的微电极记录了五只清醒猫丘脑中央的单单位活动。在动物头部固定或可在水平面上自由移动的情况下对其进行研究。训练它们对屏幕上呈现的离散视觉目标进行眼球和/或头部运动。先后在头部固定和自由的情况下，针对触发的和自发的注视位移来分析单位活动。发现了四组细胞，均位于丘脑内侧髓板内：20个细胞在眼球运动时活跃但头部运动时不活跃，49个在头部运动时活跃但眼球运动时不活跃，36个在头部或眼球运动时活跃，17个在无运动时对视觉刺激有反应。描述了注视转移期间的放电模式。据推测，与眼球或头部相关的单位携带代表注视驱动的信号。
