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Modeling movement variability in space and time

Published online by Cambridge University Press:  30 August 2019

Dagmar Sternad  and
Karl M. Newell
Dagmar Sternad
Affiliation:
Department of Kinesiology, Pennsylvania State University, University Park, PA 16802 dxs48@psu.eduwww.personal.psu.edu/faculty/d/x/dx48
Karl M. Newell
Affiliation:
Department of Kinesiology, Pennsylvania State University, University Park, PA 16802 dxs48@psu.eduwww.personal.psu.edu/faculty/d/x/dx48
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Abstract

Plamondon & Alimi propose a universal account of trajectory formation and speed/accuracy trade-off in rapid movements but fail, because: (1) the kinematic model ignores the more fundamental dynamics of movement generation, and (2) it does not capture the essential space-time constraints of movement accuracy. Hence, the modeling lacks a biologically and behaviorally principled foundation and is driven by pragmatic function fitting.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 20 , Issue 2 , June 1997 , pp. 322
Copyright
1997 Cambridge University Press

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