'Breaking' position-invariant object recognition
'Breaking' position-invariant object recognition
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DOI：
10.1038/nn1519
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发表时间：
2005-09-01
影响因子：
25
通讯作者：
DiCarlo, JJ
中科院分区：
文献类型：
--
作者：
Cox, DD;Meier, P;DiCarlo, JJ
虽然人们通常认为物体无论落在视网膜上的什么位置都可以被识别，但人们对这种能力背后的机制知之甚少。通过将人类受试者暴露在一个改变的世界中，在伴随眼球运动的短暂失明期间，一些物体系统地改变了身份，我们诱导了可预测的物体在视网膜位置上的混淆，有效地打破了位置不变性。因此，位置不变性不是视觉的僵化属性，而是不断适应环境的统计数据。
While it is often assumed that objects can be recognized irrespective of where they fall on the retina, little is known about the mechanisms underlying this ability. By exposing human subjects to an altered world where some objects systematically changed identity during the transient blindness that accompanies eye movements, we induced predictable object confusions across retinal positions, effectively 'breaking' position invariance. Thus, position invariance is not a rigid property of vision but is constantly adapting to the statistics of the environment.