EEG신호를 이용한 뇌 신호원 국부화에 관한 연구

Brain Source Localization using EEG Signals

  • 정재철 (전남대학교 전자공학과) ;
  • 송민 (전남대학교 전자공학과) ;
  • 이희영 (전남대학교 전자컴퓨터정보통신공학부)
  • 발행 : 2002.06.01

초록

EEG(Electroencephalography) is generated by electrical activity between neurons in cortical. Waveform of EEG is changed according to body and mental states. Therefore EEG is used to diagnosis of encephalophyma and epilepsy, etc. Also EEG is used to HCI(Human-Computer Interface). This paper describes estimation of orientation and location of dipole sources. The forward model is three-layer spherical head model and current dipole model. Using analytical solution, EEG is generated. Using MNLS(Minimum-Norm Least-Square) method, orientation and location of dipole moment is estimated.

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