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首页> 外文期刊>Neuron >Crossmodal spatial influences of touch on extrastriate visual areas take current gaze direction into account.
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Crossmodal spatial influences of touch on extrastriate visual areas take current gaze direction into account.

机译：触摸对超视域的跨峰空间影响考虑了当前的凝视方向。

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摘要

Recent results indicate that crossmodal interactions can affect activity in cortical regions traditionally regarded as "unimodal." Previously we found that combining touch on one hand with visual stimulation in the anatomically corresponding hemifield could boost responses in contralateral visual cortex. Here we manipulated which visual hemifield corresponded to the location of the stimulated hand, by changing gaze direction such that right-hand touch could now arise in either the left or right visual field. Crossmodal effects on visual cortex switched from one hemisphere to the other, depending on gaze direction, regardless of whether the hand was seen. This indicates that crossmodal influences of touch upon visual cortex depend on spatial alignment for the multimodal stimuli, with gaze posture taken into account.
机译：最近的结果表明，跨峰相互作用可以影响传统上被视为“单峰”的皮质区域的活动。先前我们发现，在解剖学上对应的半场中，一方面将触摸与视觉刺激相结合，可以增强对侧视觉皮层的反应。在这里，我们通过改变注视方向来操纵哪个视觉半场与被刺激手的位置相对应，这样就可以在左视野或右视野中出现右手触摸。对视皮质的交叉峰效应从一个半球切换到另一个半球，这取决于注视方向，而不管是否看到手。这表明触摸对视觉皮层的交叉峰影响取决于多峰刺激的空间排列，并考虑了凝视姿势。

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