한국 정상 성인의 틀린 믿음 과제 수행 시의 뇌 활성화: fMRI 연구
Brain Activation During False-Belief Task Performance in Korean Healthy Adults: An fMRI Study
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초록
본 연구에서는 기능적 자기공명영상 기법을 이용하여, 정상 성인이 한국어 틀린 믿음 과제를 수행하는 동안 활성화되는 뇌 영역을 알아보고자 하였다. 실험 1에서 일차 틀린 믿음 과제를 수행하는 동안 양측 설전소엽과 측두-두정 인접부, 좌반구의 하두정소엽, 후측 대상회, 중전두회 등의 뇌 활성화가 관찰되었다. 실험 2에서 이차 틀린 믿음 과제를 수행하는 동안에는 좌반구의 중전두회와 내전두회와 우반구의 설전소엽, 중전두회, 측두-두정 인접부 영역이 활성화되었다. 이런 결과는 성인이 마음이론 이야기를 이해하는 방식은 보편적임을 시사하는 것이다.
Abstract
We applied fMRI to examine brain activation during false-belief task in Korean healthy adults. In the first experiment, brain areas including bilateral precuneus, temoporo-parietal junction, left inferior parietal lobule, posterior cingulate, middle frontal gyrus were found during first-order false-belief task. In the second experiment, the left middle frontal gyrus, medial frontal gyrus and right precuneus, middle frontal gyrus, temoporo-parietal junction were activated during second-order false-belief task. These results are compatible with the suggestions that the ways in which adults understand theory of mind stories are universal.
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