The interaction of otolith organ stimulation and smooth pursuit tracking.
The interaction of otolith organ stimulation and smooth pursuit tracking.
复制标题
耳石器官刺激与平滑追踪的交互作用。
DOI：
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复制
发表时间：
1994
影响因子：
2.3
通讯作者：
L. Young
中科院分区：
文献类型：
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作者：
M. Shelhamer;L. Young
在两种不同的范式中研究了人类耳石器官刺激和水平追踪眼动追踪的相互作用。首先，我们测量了横向线性加速度对视网膜后像的眼跟踪的影响，与仅由加速度产生的眼运动（线性VOR）相比。第二种范例确定的改进，大概是由于耳石输入，通过比较跟踪的对象运动与目标运动与对象静止的跟踪地球固定的目标在平滑的眼跟踪。在每种情况下，受试者和目标运动都是正弦曲线。后像跟踪将线性VOR的增益提高了2到10倍。这被解释为意味着眼神经传出复制信息用于重建目标速度的内部表示，然后由眼神经系统在后像条件下跟踪目标速度。在第二种模式中，耳石器官转换的线性运动信息与视觉目标信息相结合，以产生比单独的系统更好的眼动跟踪。
The interaction of otolith organ stimulation and horizontal pursuit eye tracking in humans was studied in two different paradigms. In the first we measured the effects of lateral linear acceleration on ocular tracking of a retinal after-image, as compared to eye movements produced by acceleration alone (the linear VOR). The second paradigm determined the improvement in smooth oculomotor tracking presumably due to otolith input, by comparing tracking of an earth-fixed target during subject motion to tracking of target motion with the subject stationary. Subject and target motions in each case were sinusoidal. After-image tracking enhanced the gain of the linear VOR by a factor of 2 to 10. This is interpreted to mean that oculomotor efferent copy information is used to reconstruct an internal representation of target velocity, which is then tracked by the oculomotor system in the after-image condition. In the second paradigm, linear motion information transduced by the otolith organs combined with visual target information to yield improved oculomotor tracking over either system alone.