ISSN : 1226-9654
신경계의 운동 체계가 대측적으로 조직화되어 있음을 이용하여 개발된 편측성 준비 전위(LRP: lateralized readiness potential)는 사건관련전위(ERP: event-related potential)에서 도출되는 특수 파형으로서 그것의 높은 시간적 해상도를 바탕으로 심리 시간분석법(mental chronometry)적 연구 발전에 큰 공헌을 해왔다. 특히 인간의 정보처리 양식이 동시적이고 연속적이라는 증거를 제공하면서 그 유용성을 확장해왔다. 본 논문에서는 LRP의 발달 배경, 도출 원리, 종류, 분석 및 검증 방법을 개관하였고 LRP를 이용한 응용 연구 또한 소개하였다.
The lateralized readiness potential (LRP) that uses the contralateral organization of motor control is derived from event-related brain potentials (ERPs). Because of the high temporal resolution of the technique, it has been a beneficial research method investigating mental chronometry in human information processing. In particular, studies using the LRP have shown evidence that information flows continuously and concurrently in the brain. In this review, I introduced the background of the LRP emergence, basic principles behind its arithmetic computations, LRP types, data analysis and statistical tests. Finally, I reviewed studies in which the LRP was used and applied for various purposes, and suggested that the LRP can contribute to expanding the scope of brain research in the country.
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