array(2) { ["lab"]=> string(4) "1123" ["publication"]=> string(4) "9228" } Cue-triggered activity replay in human early visual cortex - 陈霓虹实验室 | LabXing

陈霓虹实验室

简介 视知觉与脑成像

大学 清华大学 / 心理学系
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Cue-triggered activity replay in human early visual cortex

2020
期刊 Science China Life Sciences
The recall of learned temporal sequences by a visual cue is an important form of experience-based neural plasticity. Here we observed such reactivation in awake human visual cortex using intracranial recording. After repeated exposure to a moving dot, a flash of the dot was able to trigger neural reactivation in the downstream receptive field along the motion path. This effect was observed only when the cue appeared near the receptive field. The estimated traveling speed was faster compared to the activation induced by the real motion. We suggest a range-limited, time-compressed reactivation as a result of repeated visual exposure in awake human visual cortex.

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