作者
C-H Juan, NG Muggleton, OJL Tzeng, DL Hung, A Cowey, V Walsh
发表日期
2008/10/1
期刊
Cerebral Cortex
卷号
18
期号
10
页码范围
2410-2415
出版商
Oxford University Press
简介
The premotor theory of attention suggests that target processing and generation of a saccade to the target are interdependent. Temporally precise transcranial magnetic stimulation (TMS) was delivered over the human frontal eye fields, the area most frequently associated with the premotor theory in association with eye movements, while subjects performed a visually instructed pro-/antisaccade task. Visual analysis and saccade preparation were clearly separated in time, as indicated by 2 distinct time points of TMS delivery that resulted in elevated saccade latencies. These results show that visual analysis and saccade preparation, although frequently enacted together, are dissociable processes.
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