Perceptual Scotomas - A functional account of motion-induced blindness

被引：33
|
作者：
New, Joshua J. [1 ]
Scholl, Brian J. [1 ]
机构：
[1] Yale Univ, Dept Psychol, New Haven, CT 06520 USA
来源：
PSYCHOLOGICAL SCIENCE | 2008年 / 19卷 / 07期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1111/j.1467-9280.2008.02139.x
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
In motion-induced blindness (MIB), salient objects in full view can repeatedly fluctuate into and out of conscious awareness when superimposed onto certain global moving patterns. Here we suggest a new account of this striking phenomenon: Rather than being a failure of visual processing, MIB may be a functional product of the visual system's attempt to separate distal stimuli from artifacts of damage to the visual system itself. When a small object is invariant despite changes that are occurring to a global region of the surrounding visual field, the visual system may discount that stimulus as akin to a scotoma, and may thus expunge it from awareness. We describe three experiments demonstrating new phenomena predicted by this account and discuss how it can also explain several previous results.
引用
收藏
页码：653 / 659
页数：7
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