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Impact of Visual Error Augmentation When Integrated With Assist-as-Needed Training Method in Robot-Assisted Rehabilitation

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3 Author(s)
Furui Wang ; Mech. Eng. Dept., Vanderbilt Univ., Nashville, TN, USA ; Barkana, D.E. ; Sarkar, N.

The paper investigates the impact of the integration of the visual error augmentation training method with the assist-as-needed training method in robot-assisted rehabilitation training of the upper extremity. A robot-assisted rehabilitation system is developed that integrates an assistive controller, which can provide robotic assistance to the participant as and when needed, with a visual error augmentation mechanism, which amplifies the tracking error to heighten the participant's motivation to improve tracking accuracy. A crossover study is designed to evaluate the impact of the integration of the visual error augmentation method with the assist-as-needed training method. Experimental results on unimpaired participants demonstrate improved performance has been achieved in the integrated training session.

Published in:

Neural Systems and Rehabilitation Engineering, IEEE Transactions on  (Volume:18 ,  Issue: 5 )