대한의용생체공학회:의공학회지 (Journal of Biomedical Engineering Research)

  • 제28권4호
  • /
  • Pages.461-470
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  • 2007
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  • 1229-0807(pISSN)
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  • 2288-9396(eISSN)
대한의용생체공학회 (The Korean Society of Medical and Biological Engineering)
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A Portable Wireless EEG System for Neurofeedback: Design and Implementation

  • Chen, Hai-Feng (Department of Computer Science & Engineering, Pusan National University) ;
  • Ye, Dong-Hee (Department of Computer Science & Engineering, Pusan National University) ;
  • Kang, Young-Ho (Department of Computer Science & Engineering, Pusan National University) ;
  • Lee, Jung-Tae (Department of Computer Science & Engineering, Pusan National University)
  • 발행 : 2007.08.30
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초록

Human can learn how to shape their brain electrical activity in a desired direction through continuous feedback of the electroencephalogram (EEG), and this technique is known as Neurofeedback (or EEG biofeedback), which has been used since the late 1960s in clinical applications. In this study, a portable wireless EEG (named wEEG) has been designed and implemented, which consists of a mobile station (a wireless two-channel EEG acquisition device) and a base station (a bridge between mobile station and computer). Moreover, a SensoriMotor Rhythm (SMR) training system was also implemented with the wEEG for enhancing attention with virtual environment. Experiment results based on 16 volunteers' (8 females and 8 males, average age is $27{\pm}4$) were reported in this paper. The results show that the SMR ratio of 87.5% subjects increased about 0.7% in training status than that in the stable status. With the proposed system, many training protocol scan be designed easily and can be done at home in our daily life conveniently. Additionally, the proposed system will be useful for disabled and aged people.

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참고문헌

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