Scaling-violation phenomena and fractality in the human posture control systems
S. Thurner, C. Mittermaier, R. Hanel, K. Ehrenberger
Abstract
By analyzing the movements of quiet standing persons by means of wavelet statistics, we observe multiple scaling regions in the underlying body dynamics. The use of the wavelet-variance function opens the possibility to relate scaling violations to different modes of posture control. We show that scaling behavior becomes close to perfect, when correctional movements are dominated by the vestibular system.
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