Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2001-03-05
Physics
Condensed Matter
Statistical Mechanics
4 revtex pages, 6 figures
Scientific paper
10.1016/S0378-4371(02)01453-X
We present a stochastic model of gait rhythm dynamics, based on transitions between different ``neural centers'', that reproduces distinctive statistical properties of normal human walking. By tuning one model parameter, the hopping range, the model can describe alterations in gait dynamics from childhood to adulthood --- including a decrease in the correlation and volatility exponents with maturation. The model also generates time series with multifractal spectra whose broadness depends only on this parameter.
Ashkenazy Yosef
Goldberger Ary L.
Hausdorff Jeffrey M.
Ivanov Plamen Ch
Stanley Eugene H.
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