CJRTP

Chinese Journal of Rehabilitation Theory and Practice >

2019 , Vol. 25 >Issue 5: 593 - 596

DOI: https://doi.org/10.3969/j.issn.1006-9771.2019.05.018

Program Design of Motor Imagery with Regular Rhythm

  • WU Hong-jian ,
  • LI Long ,
  • GUO Jing ,
  • LI Li-na ,
  • LIU Tian ,
  • WANG Jue
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  • 1.Key Laboratory of Biomedical Information Engineering of Ministry of Education, Key Laboratory of Neuro-informatics & Rehabilitation Engineering of Ministry of Civil Affairs, and Institute of Health and Rehabilitation Science, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
    2.National Engineering Research Center of Health Care and Medical Devices, Xi’an, Shaanxi 710049, China

Received date: 2018-12-17

  Revised date: 2019-01-21

  Online published: 2019-05-29

Supported by

National Natural Science Foundation of China (Key) (No. 61431012)

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Abstract

Objective To propose a motor imagery paradigm with regular rhythm to improve the accuracy of classification in brain-computer interface based on motor imagery.Methods Ten untrained healthy subjects were asked to image the movement guided by the picture accompanied with regular rhythm. The common spatial pattern feature extraction algorithm and Fisher classifier were used for classification, and compared with the traditional paradigm and the motor imagery paradigm accompanying with irregular rhythm. Results More desynchronization was found as motor imagery with regular rhythm, while the classification accuracy improved. Conclusion Motor imagery with regular rhythm gives a new idea for active rehabilitation training based on brain-computer interface.

Key words： motor imagery; brain-computer interface; active rehabilitation; rehabilitation robots

Cite this article

WU Hong-jian , LI Long , GUO Jing , LI Li-na , LIU Tian , WANG Jue . Program Design of Motor Imagery with Regular Rhythm[J]. Chinese Journal of Rehabilitation Theory and Practice, 2019 , 25(5) : 593 -596 . DOI: 10.3969/j.issn.1006-9771.2019.05.018

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