인체에서 발생하는 생체신호 중에서 뇌파는 신호가 복잡하고 재현이 어려움에도 불구하고 BCI(Brain Computer Interface) 분야에서는 선진국 선두 그룹을 중심으로 획기적인 기술을 개발하고 있다. 또한 BCI 에 대한 개발의 필요성도 손발을 사용하지 못하는 중증 장애인을 중심으로 확대되고 있다. BCI2000 시스템은 이러한 노력으로 탄생하였으며 BCI 선두 그룹을 중심으로 개발 발전되고 있다. 이 시스템 내부에서는 순수 상상에 의한 방향 인식과 가상키보드 등의 작업이 가능하도록 수정 보완 작업이 계속되고 있으며 정기적인 모임을 통해 그 기술을 공유하고 있다. BCI 에서의 선진그룹과 국내 연구 결과에는 많은 기술적 차이가 있지만 본 연구에서는 BCI 에서의 기술 발전에 자극되어 좌우 방향의 이벤트에 대한 뇌파 신호 분석과 이를 통하여 모니터 상의 방향을 제어하는 실험을 실시하였고 그 방법과 결과를 논의한다.
KSP Keywords
Brain computer interfaces(BCI)
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