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The study of auditory and haptic signals in a virtual reality-based hand rehabilitation system

Published online by Cambridge University Press:  19 February 2003

Chang-Yih Shing
Affiliation:
Department of Mechanical Engineering, National Central University, Chung-li, 320 Taiwan (R.O.C.)
Chin-Ping Fung
Affiliation:
Department of System Engineering, Chung Cheng Institute of Technology, Tao-Yuan 335, Taiwan (R.O.C.)
Tien-Yow Chuang
Affiliation:
Department of Physical Medicine and Rehabilitation, Veterans General Hospital Taipei and National Yang-Ming University, Taipei 112, Taiwan (R.O.C.)
I-Wen Penn
Affiliation:
Department of Physical Medicine and Rehabilitation, Koo Fundation, Sun Yat-Sen Cancer Center and School of Medicine, National Yang-Ming University, Taipei 112, Taiwan (R.O.C.)
Ji-Liang Doong
Affiliation:
Department of Mechanical Engineering, National Central University, Chung-li, 320 Taiwan (R.O.C.)

Abstract

The purpose of the present study is to assess the influence of auditory and haptic signals on the manipulation performance in a virtual reality-based hand rehabilitation system. A personal computer, a tracker, and a data glove were included in this system. Three-dimensional virtual environments were developed. Forty volunteers were recruited to participate in a pick-and-place procedure, with three levels of difficulty and four feedback modes. Task time and collision frequency were the parameters used to evaluate their manipulation performance. It can be concluded that the haptics is a significant signal for improving a subject's performance at the high difficulty level.

Type
Research Article
Copyright
© 2003 Cambridge University Press

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