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  Eye-Hand Coordination for 3-D Oriented Objects

Mamassian, P., Bülthoff, H., & Kersten, D.(1995). Eye-Hand Coordination for 3-D Oriented Objects (12). Tübingen, Germany: Max Planck Institute for Biological Cybernetics.

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MPIK-TR-12.pdf (Publisher version), 3MB
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Mamassian, P1, 2, Author           
Bülthoff, HH1, 2, Author           
Kersten, D1, 2, Author           
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1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: When reaching for an object in space, the distance of the object, its orientation and shape should all be correctly estimated well before the hand arrives in contact with the object. We investigate here how the visual information about the object's orientation is incorporated into the motor program which guides the hand to the vicinity of the object. This motor program governs in particular the transportation of the hand, the opening of the hand, and the rotations of the forearm and wrist. These variables are analyzed in the light of the ``visuo-motor channels'' framework proposed by Jeannerod (1981), in which the information about the object's distance and shape is processed independently, from perception to action. Our results seem to favor an alternative framework, in which an interpretation of the three-dimensional world should be built before a motor command can be generated. Due to time constraints, this mechanism appears to be mainly feedforward.

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 Dates: 1995-02
 Publication Status: Published in print
 Pages: 20
 Publishing info: Tübingen, Germany : Max Planck Institute for Biological Cybernetics
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 Rev. Type: -
 Identifiers: Report Nr.: 12
BibTex Citekey: 1471
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Title: Technical Report of the Max Planck Institute for Biological Cybernetics
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Pages: - Volume / Issue: 12 Sequence Number: - Start / End Page: - Identifier: -