全小脑切除和半小脑切除猴子的眼球运动功能障碍
Ocular motor dysfunction in total and hemicerebellectomized monkeys.
作者信息
Burde R M, Stroud M H, Roper-Hall G, Wirth F P, O'Leary J L
出版信息
Br J Ophthalmol. 1975 Oct;59(10):560-5. doi: 10.1136/bjo.59.10.560.
Abstract
Studies of ocular motor function in monkeys undergoing either total or hemicerebellectomies has revealed the following abnormalities which can be attributed to cerebellar dysfunction: 1. Loss of smooth pursuit movements 2. Gaze-fixation nystagmus 3. Loss of inhibitory input on the vestibular apparatus reflected in a decreased latency and prolonged response to caloric stimuli. It is intimated that the role of the hemicerebellum deals with ipsilateral tone and its effect on eye movements.
摘要
对接受全小脑切除或半侧小脑切除的猴子的眼球运动功能研究揭示了以下可归因于小脑功能障碍的异常情况
- 平滑追踪运动丧失；2. 凝视性眼球震颤；3. 前庭装置抑制性输入丧失，表现为对热刺激的潜伏期缩短和反应延长。据推测，半侧小脑的作用涉及同侧肌张力及其对眼球运动的影响。
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