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Flawed kinematic models cannot provide insight into the nature of motor variability

Published online by Cambridge University Press:  30 August 2019

Mark L. Latash  and
Gregor Schöner
Mark L. Latash
Affiliation:
Department of Kinesiology, The Pennsylvania State University, University Park, PA 16802 mll11@psu.edu
Gregor Schöner
Affiliation:
Centre de Recherche en Neurosciences Cognitives (CNRS), Marseille Cedex 20, France
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Abstract

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Plamondon & Alimi's derivation of the kinematic model is mathematically flawed. By simply naming a particular parameter combination “variability,” the model fails to explicate the sources of variability. As a result, the model cannot distinguish between various sources of error, such as those resulting from task demands and those resulting from movement execution.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 20 , Issue 2 , June 1997 , pp. 314 - 315
Copyright
1997 Cambridge University Press