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Journal Article

Citation

van Donkelaar P, Franks IM. Acta Psychol. 1991; 77(1): 1-19.

Affiliation

University of British Columbia, Vancouver, Canada.

Copyright

(Copyright © 1991, Elsevier Publishing)

DOI

unavailable

PMID

1950633

Abstract

In the present experiment the acceleration traces produced during a repetitive arm extension/flexion movement were measured in addition to the RT required to initiate such a movement. The speed at which this task was completed as well as the number of extension/flexion segments were varied to allow for either preprogramming or on-line control. Evidence from the acceleration traces and the RT data suggested that the movements completed as quickly as possible were preprogrammed; whereas, those completed more slowly were controlled on-line. Furthermore, the topologies of the power spectral density functions from the acceleration traces of each type of movement displayed characteristics typical of these forms of control.


Language: en

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