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分眼刺激时家兔的交替OKN眼动跟踪特性
引用本文:韦敏 孙复川. 分眼刺激时家兔的交替OKN眼动跟踪特性[J]. 生理学报, 1997, 49(1): 7-12
作者姓名:韦敏 孙复川
作者单位:中国科学院上海生理研究所!上海,200031,中国科学院生物物理研究所视觉信息加工开放实验室!北京,100101,中国科学院上海生命科学研究中心,上海,200031
基金项目:国家自然科学基金,中国科学院匹配经费重大项目
摘    要:本工作用不同运动图形分别同时刺激家兔左右眼,通过检测正常及单侧前庭迷路损伤后家兔的OKN反应,证明在这种刺激情况下,正常家兔的眼动反应为交替的OKN反应,为进一步探讨交替OKN的控制机制及控制部位建立了动物模型。

关 键 词:眼 眼球运动 视动震颤 交替视动震颤

ALTERNATING OPTOKINETIC NYSTAGMUS(OKN)ELICITED BY DICHOPTICALL PRESENTED MOVING GRATING STIMULI IN NORMAL AND UNILATERAL LABYRINTHECTOMIZED RABBITS
WEI MIN, SUN FU-CHUAN. ALTERNATING OPTOKINETIC NYSTAGMUS(OKN)ELICITED BY DICHOPTICALL PRESENTED MOVING GRATING STIMULI IN NORMAL AND UNILATERAL LABYRINTHECTOMIZED RABBITS[J]. Acta Physiologica Sinica, 1997, 49(1): 7-12
Authors:WEI MIN   SUN FU-CHUAN
Abstract:Optokinetic responses to two dichoptically presented grating moving in opposite directions were investigated in normal and unilateral labyrinthectomized rabbits. In normal rabbits, OKN took place alternately, while in unilateral labyrinthectomized rabbits, alternating OKN still took place only with some irregularity. These resultS indicatethat OKN in rabbit to dichoptic stimulation is alternately controlled by the velocity in formation .comimg from the left and the right eye, a fact suggesting that the.switching center of the control system locates somewhere behind the point of binocular summation inthe central nervous system.
Keywords:eye movement  optokinetic nystagmus  rabbit OKN  alternating OKN
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