扫视
机制(生物学)
眼球运动
阅读(过程)
心理学
神经科学
统一
对象(语法)
视觉处理
计算机科学
认知心理学
人工智能
感知
哲学
物理
认识论
法学
声学
政治学
作者
Ole Jensen,Yali Pan,Steven Frisson,Lin Wang
标识
DOI:10.1016/j.tics.2021.08.008
摘要
Humans have a remarkable ability to efficiently explore visual scenes and text using eye movements. Humans typically make eye movements (saccades) every ~250 ms. Since saccade initiation and execution take 100 ms, this leaves only ~150 ms to recognize the fixated object (or word) while simultaneously previewing candidates for the next saccade goal. We propose a pipelining mechanism where serial processing occurs within a specific brain region, whereas parallel processing occurs across different brain regions. The mechanism is timed by alpha oscillations that coordinate the saccades, visual recognition, and previewing in the cortical hierarchy. Consequently, the neuronal mechanism supporting natural vision and saccades must be studied in unison to uncover the brain mechanisms supporting visual exploration and reading.
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