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Developmental changes in the response to obstacles during prehension

Tresilian, J.R., Mon-Williams, M., Coppard, V.L. and Carson, R.G. (2005) Developmental changes in the response to obstacles during prehension. Journal of Motor Behavior, 37 (2). pp. 103-110. ISSN 0022-2895

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Adults are proficient at reaching to grasp objects of interest in a cluttered workspace. The issue of concern, obstacle avoidance, was studied in 3 groups of young children aged 11-12, 9-10, and 7-8 years (n = 6 in each) and in 6 adults aged 18-24 years. Adults slowed their movements and decreased their maximum grip aperture when an obstacle was positioned close to a target object (the effect declined as the distance between target and obstacle increased). The children showed the same pattern, but the magnitude of the effect was quite different. In contrast to the adults, the obstacle continued to have a large effect when it was some distance from the target (and provided no physical obstruction to movement).

Item Type: Article
Keywords: movement; obstacle avoidance; planning; prehension; preparation
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Medicine and Health (Leeds) > School of Psychology (Leeds) > Cognitive Psychology (Leeds)
Depositing User: Repository Officer
Date Deposited: 01 Jul 2009 16:50
Last Modified: 18 Jun 2015 17:29
Status: Published
Publisher: Heldref publications
URI: http://eprints.whiterose.ac.uk/id/eprint/8668

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