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A frequency domain hypothesis for human postural control characteristics (visual feedback)

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4 Author(s)
M. Yoshizawa ; Dept. of Knowledge-Based Inf. Eng., Toyohashi Univ. of Technol., Japan ; H. Takeda ; M. Ozawa ; Y. Sasaki

Experiments performed to determine the effect of filtered visual feedback information in the frequency domain on human body sway during quiet standing is described. The three-dimensional visor display system (3D-VD) was used to filter the visual feedback information. A hypothesis is proposed to explain the test subject's postural control characteristics and to estimate the different roles of the visual information used for postural stability in the low and high frequency domains. It is concluded that the hypothesis based on the spatial map in the brain is useful to explain the different roles of the visual feedback information in the frequency domain.<>

Published in:

IEEE Engineering in Medicine and Biology Magazine  (Volume:11 ,  Issue: 4 )