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| Research article summary (published 27 Feb 2002): |
Pushing the limits of task difficulty for the right and left hands in manual aiming.
Full Abstract
The effects of task difficulty on the performance of the two hands in right-handers were examined in a manual-aiming paradigm. In order to examine both simple and complex tasks, movement amplitude, cursor size, and target size were manipulated, resulting in eight different indices of difficulty (as defined by Fitts' Law). Kinematic parameters examined included reaction time, movement time, time to and time after peak velocity, peak velocity, and resultant accuracy. Analysis revealed no differential effects of task difficulty on the overall movement times of the two hands. These results are discussed in light of current theories of manual asymmetries.
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Author information
Author/s: Bryden, Pamela J (PJ);
Affiliation: Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada. pbryden(-atsign-)wlu.ca
Journal and publication information
Publication Type: Journal Article
Journal: Brain and cognition (Brain Cogn), published in United States. (Language: eng)
Reference: -2002 Mar-Apr; vol 48 (issue 2-3) : pp 287-91
Dates: Created 2002/05/27; Completed 2002/10/16; Revised 2006/11/15;
PMID: 12030454, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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