Brief Communication abstract

Nature Neuroscience 8, 1145 - 1147 (2005)
Published online: 7 August 2005 | doi:10.1038/nn1519

'Breaking' position-invariant object recognition

David D Cox1, Philip Meier1, Nadja Oertelt1 & James J DiCarlo1

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.

  1. McGovern Institute for Brain Research and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

Correspondence to: James J DiCarlo1 e-mail:


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