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Experimental Brain Research

Erschienen in:

01.11.2003 | Research Note

Neuromaturation of human locomotion revealed by non-dimensional scaling

verfasst von: Christopher L. Vaughan, Nelleke G. Langerak, Mark J. O'Malley

Erschienen in: Experimental Brain Research | Ausgabe 1/2003

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Abstract

When two fundamental gait parameters—step length and step frequency—are scaled non-dimensionally, thereby accounting for increases in a child's physical size, ontogenetic changes in the locomotor control strategy are revealed. We believe dimensionless velocity β, the product of dimensionless step length and frequency, serves as a measure of neural development. It increases from the age of 18 months and reaches a plateau between 50 and 90 months, attaining the adult value of 0.45. Based on a study of 200 children, our findings lend support to a theory that posits a neuromaturation growth curve with the form: β (t)=0.45 (1−e^−0.05t) where t is the age in months and 0.05 is the growth coefficient.

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Titel: Neuromaturation of human locomotion revealed by non-dimensional scaling
verfasst von: Christopher L. Vaughan
Nelleke G. Langerak
Mark J. O'Malley
Publikationsdatum: 01.11.2003
Verlag: Springer-Verlag
Erschienen in: Experimental Brain Research / Ausgabe 1/2003
Print ISSN: 0014-4819
Elektronische ISSN: 1432-1106
DOI: https://doi.org/10.1007/s00221-003-1635-x

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