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首页> 外文期刊>The European Journal of Neuroscience >Cortical control of eye and head movements: integration of movements and percepts.
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Cortical control of eye and head movements: integration of movements and percepts.

机译：眼睛和头部运动的皮质控制：运动和感知的结合。

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摘要

The cortical control of eye movements is well known. It remains unclear, however, as to how the eye fields of the frontal lobes generate and coordinate eye and head movements. Here, we review the recent advances in electrical stimulation studies and evaluate relevant models. As electrical stimulation is conducted in head-unrestrained, behaving subjects with the evoked eye and head movements sometimes being indistinguishable from natural gaze shifts, a pertinent question becomes whether these movements are evoked by motor programs or sensory percepts. Recent stimulation studies in the visual cortex and the eye fields of the frontal lobes have begun to bring both possibilities to light. In addition, cognitive variables often interact with behavioral states that can affect movements evoked by stimulation. Identifying and controlling these variables are critical to our understanding of experimental results based on electrically evoked movements. This understanding is needed before one can draw inferences from such results to elucidate the neural mechanisms underlying natural and complex movements.
机译：眼睛运动的皮层控制是众所周知的。然而，关于额叶的视场如何产生并协调眼球和头部运动尚不清楚。在这里，我们回顾了电刺激研究的最新进展并评估了相关模型。由于电刺激是在不受约束的头部行为中进行的，因此受测者的眼睛和头部运动有时无法与自然的视线移动区分开，因此相关的问题就变成了这些运动是否由运动程序或感觉知觉引起。最近在额叶的视觉皮层和眼场中的刺激研究已经开始揭示两种可能性。另外，认知变量经常与行为状态相互作用，这些行为状态可能影响刺激引起的运动。识别和控制这些变量对于我们理解基于电动诱发运动的实验结果至关重要。在人们可以从这种结果中推断出自然和复杂运动的神经机制之前，需要这种理解。

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