Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEG

Stroke is a leading cause of disability worldwide. In this paper, a novel robot‐assisted rehabilitation system based on motor imagery electroencephalography (EEG) is developed for regular training of neurological rehabilitation for upper limb stroke patients. Firstly, three‐dimen...

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Main Authors: Baoguo Xu, Si Peng, Aiguo Song, Renhuan Yang, Lizheng Pan
Format: Article
Language:English
Published: SAGE Publishing 2011-09-01
Series:International Journal of Advanced Robotic Systems
Subjects:
Online Access:http://www.intechopen.com/articles/show/title/robot_aided_upper_limb_rehabilitation_based_on_motor_imagery_eeg
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author Baoguo Xu
Si Peng
Aiguo Song
Renhuan Yang
Lizheng Pan
author_facet Baoguo Xu
Si Peng
Aiguo Song
Renhuan Yang
Lizheng Pan
author_sort Baoguo Xu
collection DOAJ
description Stroke is a leading cause of disability worldwide. In this paper, a novel robot‐assisted rehabilitation system based on motor imagery electroencephalography (EEG) is developed for regular training of neurological rehabilitation for upper limb stroke patients. Firstly, three‐dimensional animation was used to guide the patient image the upper limb movement and EEG signals were acquired by EEG amplifier. Secondly, eigenvectors were extracted by harmonic wavelet transform (HWT) and linear discriminant analysis (LDA) classifier was utilized to classify the pattern of the left and right upper limb motor imagery EEG signals. Finally, PC triggered the upper limb rehabilitation robot to perform motor therapy and gave the virtual feedback. Using this robot‐assisted upper limb rehabilitation system, the patientʹs EEG of upper limb movement imagination is translated to control rehabilitation robot directly. Consequently, the proposed rehabilitation system can fully explore the patientʹs motivation and attention and directly facilitate upper limb post‐stroke rehabilitation therapy. Experimental results on unimpaired participants were presented to demonstrate the feasibility of the rehabilitation system. Combining robot‐assisted training with motor imagery‐ based BCI will make future rehabilitation therapy more effective. Clinical testing is still required for further proving this assumption.
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spelling doaj.art-60962b62dce743798a5e7af532e74aa22022-12-21T18:51:11ZengSAGE PublishingInternational Journal of Advanced Robotic Systems1729-88061729-88142011-09-01848897Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEGBaoguo XuSi PengAiguo SongRenhuan YangLizheng PanStroke is a leading cause of disability worldwide. In this paper, a novel robot‐assisted rehabilitation system based on motor imagery electroencephalography (EEG) is developed for regular training of neurological rehabilitation for upper limb stroke patients. Firstly, three‐dimensional animation was used to guide the patient image the upper limb movement and EEG signals were acquired by EEG amplifier. Secondly, eigenvectors were extracted by harmonic wavelet transform (HWT) and linear discriminant analysis (LDA) classifier was utilized to classify the pattern of the left and right upper limb motor imagery EEG signals. Finally, PC triggered the upper limb rehabilitation robot to perform motor therapy and gave the virtual feedback. Using this robot‐assisted upper limb rehabilitation system, the patientʹs EEG of upper limb movement imagination is translated to control rehabilitation robot directly. Consequently, the proposed rehabilitation system can fully explore the patientʹs motivation and attention and directly facilitate upper limb post‐stroke rehabilitation therapy. Experimental results on unimpaired participants were presented to demonstrate the feasibility of the rehabilitation system. Combining robot‐assisted training with motor imagery‐ based BCI will make future rehabilitation therapy more effective. Clinical testing is still required for further proving this assumption.http://www.intechopen.com/articles/show/title/robot_aided_upper_limb_rehabilitation_based_on_motor_imagery_eegrobot&#8208assisted rehabilitationstroke therapymotor imagery
spellingShingle Baoguo Xu
Si Peng
Aiguo Song
Renhuan Yang
Lizheng Pan
Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEG
International Journal of Advanced Robotic Systems
robot&#8208
assisted rehabilitation
stroke therapy
motor imagery
title Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEG
title_full Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEG
title_fullStr Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEG
title_full_unstemmed Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEG
title_short Robot-Aided Upper-Limb Rehabilitation Based on Motor Imagery EEG
title_sort robot aided upper limb rehabilitation based on motor imagery eeg
topic robot&#8208
assisted rehabilitation
stroke therapy
motor imagery
url http://www.intechopen.com/articles/show/title/robot_aided_upper_limb_rehabilitation_based_on_motor_imagery_eeg
work_keys_str_mv AT baoguoxu robotaidedupperlimbrehabilitationbasedonmotorimageryeeg
AT sipeng robotaidedupperlimbrehabilitationbasedonmotorimageryeeg
AT aiguosong robotaidedupperlimbrehabilitationbasedonmotorimageryeeg
AT renhuanyang robotaidedupperlimbrehabilitationbasedonmotorimageryeeg
AT lizhengpan robotaidedupperlimbrehabilitationbasedonmotorimageryeeg