The neural mechanisms of perceptual filling-in

被引:216
作者
Komatsu, H [1 ]
机构
[1] Natl Inst Physiol Sci, Aichi, Japan
[2] Grad Univ Adv Studies, Aichi, Japan
基金
日本学术振兴会;
关键词
D O I
10.1038/nrn1869
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Filling-in is a perceptual phenomenon in which a visual attribute such as colour, brightness, texture or motion is perceived in a region of the visual field even though such an attribute exists only in the surround. Filling-in dramatically reveals the dissociation between the retinal input and the percept, and raises fundamental questions about how these two relate to each other. Filling-in is observed in various situations, and is an essential part of our normal surface perception. Here, I review recent experiments examining brain activities associated with filling-in, and discuss possible neural mechanisms underlying this remarkable perceptual phenomenon. The evidence shows that neuronal activities in early visual cortical areas are involved in filling-in, providing new insights into visual cortical functions.
引用
收藏
页码:220 / 231
页数:12
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