Journal of the Ergonomics Society of Korea (대한인간공학회지)

Ergonomics Society of Korea (대한인간공학회)
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A Research on BCI using Coherence between EEG and EMG

EEG와 EMG의 Coherence을 이용한 BCI 연구

  • Kim, Young-Joo (Department of Computer Science, Sangmyung University) ;
  • Whang, Min-Cheol (Division of Digital Media Engineering, Sangmyung University) ;
  • Kang, Hee (Brainware Research Center, Sangmyung University)
  • 김영주 (상명대학교 컴퓨터과학과) ;
  • 황민철 (상명대학교 디지털미디어학부) ;
  • 강희 (상명대학교 뇌정보통신연구소)
  • Published : 2008.06.01
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Abstract

Coherence can be used to evaluate the functional cortical connections between the motor cortex and muscle. This study is to find coherence between EEG (electroencephalogram) and EMG (electromyogram) evoked by movement of a hand. Seven healthy participants were asked to perform thirty repetitive movement of right hand for ten seconds with rest for ten seconds. Specific feature of EEG components has been extracted by ICA (independent component analysis) and coherence between EEG and EMG was analyzed from data measured EEG in five local areas around central part of head and EMG in flexer carpri radialis muscle during grabbing movement. Coherence between EEG and EMG was successfully obtained at 0.025 confidence limit during hand movement and showed significant difference between rest and movement at 13-18Hz.

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References

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