Presentation 2001/3/14
A Relation between Complexity of Grasped Objects and Computation of Force Distribution in Human Grasping Movements
Hiroshi FUKUDA, Naohiro FUKUMURA, Yoji UNO,
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Abstract(in English) Focusing on force distribution which is one of computational problems in human grasping movements, we investigated a relation with complexity of objects and proposed existence of internal representation. In psychophysical experiments, subjects were required to exert grasp forces to hold objects under two different conditions. The difference between two conditions was whether subjects could know suitableness of force distribution or not. For most subjects, differences of force distribution between two conditions for a visually complex object were greater than them for a visually simple object. These results support the hypothesis that the force distribution is computed on the basis of internal representation of objects.
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Keyword(in English) grasping movement / grasp force / force distribution / internal representation / visuo-motor transformation
Paper # NC2000-120
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Conference Date 2001/3/14(1days)
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Registration To Neurocomputing (NC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Relation between Complexity of Grasped Objects and Computation of Force Distribution in Human Grasping Movements
Sub Title (in English)
Keyword(1) grasping movement
Keyword(2) grasp force
Keyword(3) force distribution
Keyword(4) internal representation
Keyword(5) visuo-motor transformation
1st Author's Name Hiroshi FUKUDA
1st Author's Affiliation Department of Information and Computer Sciences, Toyohashi University of Technology()
2nd Author's Name Naohiro FUKUMURA
2nd Author's Affiliation Department of Information and Computer Sciences, Toyohashi University of Technology
3rd Author's Name Yoji UNO
3rd Author's Affiliation Department of Information and Computer Sciences, Toyohashi University of Technology
Date 2001/3/14
Paper # NC2000-120
Volume (vol) vol.100
Number (no) 686
Page pp.pp.-
#Pages 7
Date of Issue