Abstract
This paper proposes a stochastical model for the origin and the invariance of the bell-shaped velocity profiles, as frequently reported in studies dealing with rapid aimed movements. The model describes these movements as originating from the sequential action of a set of velocity generators working in cascade. Applying the central limit theorem to describe the converging behavior of such a system, it is shown that velocity profiles can be described by log-normal curves. Results of an analysis by synthesis experiment are reported and some consequences of this approach to the study of human movement are discussed. A unified view of the speed-accuracy trade-offs is proposed as a direct consequence of this approach.
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Plamondon, R. (1991). On the Origin of Asymmetric Bell-Shaped Velocity Profiles in Rapid-Aimed Movements. In: Requin, J., Stelmach, G.E. (eds) Tutorials in Motor Neuroscience. NATO ASI Series, vol 62. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3626-6_23
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DOI: https://doi.org/10.1007/978-94-011-3626-6_23
Publisher Name: Springer, Dordrecht
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