Reports

Adaptation to Displaced Vision: Visual, Motor, or Proprioceptive Change?

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Science  17 May 1963:
Vol. 140, Issue 3568, pp. 812-813
DOI: 10.1126/science.140.3568.812

Abstract

After seeing his hand through wedge prisms, a subject points incorrectly with that hand at auditory as well as visual targets. The other hand is virtually unaffected. Thus the change cannot be solely visuo-motor or visual. Other evidence suggests that it is a change in felt hand location, rather than motor learning. When the subject's adapted hand feels as if it is pointing straight ahead, for example, it is actually pointing off to one side.

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