Fractal analysis of human gait:: old and young, healthy and ill subjects

被引：0
|
作者：
Munoz-Diosdado, A.
Correa, J. L. del Rio
机构：
[1] Inst Politecn Nacl, Unidad Profes Interdisciplinaria Biotecnol, Dept Matemat, Mexico City 07340, DF, Mexico
[2] Univ Autonoma Metropolitana Iztapalapa, Dept Fis, Mexico City 09340, DF, Mexico
[3] Inst Politecn Nacl, Escuela Super Fis & Matemat, Dept Fis, Unidad Profes Zacatenco, Mexico City 07738, DF, Mexico
[4] Univ Nacl Autonoma Mexico, Escuela Nacl Estudios Profes, Mexico City 04510, DF, Mexico
来源：
REVISTA MEXICANA DE FISICA | 2005年 / 51卷 / 02期
关键词：
fractal analysis; time series analysis;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We carried out an analysis of human gait time series in young and old individuals, and adults with one of the following three illnesses that affect their gait: the Parkinson's and Huntington's diseases, and the amyotrophic lateral sclerosis. We obtained the cumulative plots of events which were bounded by straight lines whose slopes could be a factor to characterize the gait, since most anomalous values belong to ill people. We also calculated the correlation dimension, the Hurst exponent, and the Higuhi's fractal dimension for these time series. In other physiological signals there is a lost of complexity related to aging and illness; in the case of human gait, we found that the opposite occurs.
引用
收藏
页码：14 / 21
页数：8
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