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The effect of orientation on prehension movement time

van Bergen, E., van Swieten, L.M., Williams, J.H.G. and Mon-Williams, M. (2007) The effect of orientation on prehension movement time. Experimental Brain Research, 178 (2). pp. 180-193. ISSN 0014-4819

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Abstract

We explored the relationship between hand orientation and movement time. Three groups of participants (n = 8 per group) were asked to grasp an object rotated in one of the following planes: (1) coronal; (2) sagittal; (3) horizontal. In the coronal plane, the rotational requirements directly mapped onto the neuromuscular demands associated with a single joint-level degree of freedom movement. A simple lawful relationship was found between the extent of rotation (pronation or supination) and duration. Reach-to-grasp movements to objects rotated in the sagittal and horizontal plane produced different movement patterns. These patterns increased the muscle level degrees of freedom recruited (higher neuromuscular demands) and movement duration increased correspondingly though not in a simple manner. The results of the present study show unambiguously that object orientation influences the duration of reach-to-grasp movements.

Item Type: Article
Keywords: orientation; prehension; movement; coordination; duration; rotation
Academic Units: The University of Leeds > Faculty of Medicine and Health (Leeds) > Institute of Psychological Sciences (Leeds) > Cognitive Psychology (Leeds)
Depositing User: Repository Officer
Date Deposited: 19 Jun 2009 09:46
Last Modified: 29 Sep 2010 14:24
Published Version: http://dx.doi.org/10.1007/s00221-006-0722-1
Status: Published
Publisher: Springer Verlag
Identification Number: 10.1007/s00221-006-0722-1
URI: http://eprints.whiterose.ac.uk/id/eprint/8663

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