Do muscles matter for coordinated action?

Mechsner, Franz and Knoblich, Giinther (2004) Do muscles matter for coordinated action? Journal of Experimental Psychology: Human Perception and Performance, 30 (3). pp. 490-503. ISSN 0096-1523

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Official URL: http://dx.doi.org/10.1037/0096-1523.30.3.490

Abstract

This article investigates coordination stability when 2 fingers of each hand periodically tap together. The main question concerns the functional origin of the symmetry tendency, which has widely been conceived as a bias toward coactivation of homologous fingers and homologous muscular portions. In Experiment 1, the symmetry tendency was independent of finger combination. In Experiment 2, virtually identical stability characteristics were revealed under full vision and no vision. In Experiment 3, symmetrical and parallel visual labels on the fingers neither stabilized nor destabilized symmetrical and parallel tapping patterns. In Experiment 4, in which the relative position of the hands was varied, it revealed that the observed stability characteristics are to be defined in a hand-centered reference frame. Because the symmetry tendency was always independent of finger combination, the authors suggest that it is not a bias toward coactivation of homologous muscle portions but instead originates on a more abstract, functional level.

Item Type: Article
Additional Information: First author and corresponding author
Uncontrolled Keywords: motor ability, muscles
Subjects: B900 Others in Subjects allied to Medicine
C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: EPrint Services
Date Deposited: 09 Dec 2008 14:09
Last Modified: 24 Oct 2017 11:36
URI: http://nrl.northumbria.ac.uk/id/eprint/2779

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