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Movement dynamics in speed/accuracy trade-off

Published online by Cambridge University Press:  30 August 2019

P. Morasso
Affiliation:
Department of Informatics, Systems and Telecommunications (DIST), University of Genoa, Italy, I-16145, Genoa, Italymorasso@dist.unige.itwww.laboratorium.dist.unige.it/STAFF/Morasso.html
V. Sanguineti
Affiliation:
Department of Informatics, Systems and Telecommunications (DIST), University of Genoa, Italy, I-16145, Genoa, Italymorasso@dist.unige.itwww.laboratorium.dist.unige.it/STAFF/Morasso.html

Abstract

Fitts' law and the ΔΛ model are “weak” theories of motor control because they are limited to the kinematic aspects of movement and do not capture its essential dynamic nature. The internal source of “noise” that determines the speed/ accuracy trade-off can be associated with the partial compensation of movement-generated “parasitic” forces.

Type
Open Peer Commentary
Copyright
1997 Cambridge University Press

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