마음이론의 신경기초 = The Neural Bases of Theory of Mind

다국어 초록 (Multilingual Abstract)

Theory of mind (ToM) refers to the knowledge about the mind that we have mental states―such as intention, desire and belief―and our mental states cause our action is recognized as theory of mind. A person with theory of mind comes to read people’s actions in terms of their mental states, that is, mindreading. In this review, we summarize recent work that has illuminated the neural bases of mindreading. Lesion studies has suggested that damage to brain areas such as right hemisphere, orbitofrontal cortex, amygdala were correlated with ToM deficits. Neuroimaging studies of normal adults have consistently demonstrated the importance of particular brain regions for ToM, the superior temporal sulcus (STS), temporal pole (TP) and the medial prefrontal cortex (MPFC). Findings from brain imaging and lesion studies indicate that ToM ability is supported by a widely distributed neural system. The theoretical importance of ToM for everyday life requires further studies in more various populations.

국문 초록 (Abstract)

마음이론이란 자신과 타인이 목적, 바람, 믿음과 같은 마음상태를 가지고 있으며 이러한 마음상태가 특정 행동을 하도록 만든다는 마음에 대한 지식을 가리킨다. 마음이론을 가지고 있는 인간은 사람의 행동을 그 사람의 마음과 관련하여 이해하는 마음읽기를 하게 된다. 본 논문에서는 마음읽기의 신경 기초를 밝혀보기 위하여 수행되었던 최근 연구들을 개관한다. 뇌 손상 환자들을 대상으로 한 연구들은 우반구, 안와전두피질, 편도체 등의 뇌 영역 손상과 마음읽기 능력의 결함이 서로 관계가 있음을 시사했다. 정상인들을 대상으로 한 신경영상 연구들에서는 상측두구, 측두극, 및 내측 전전두피질과 같은 특정한 뇌 영역들과 마음이론의 관련성을 보여주었다. 뇌 영상과 뇌 손상 연구결과들은 마음읽기 능력이 광범위하게 분포된 신경체계에 기초하고 있음을 시사한다. 향후 기존 연구들과 비교하여 좀 더 다양한 참가자들을 대상으로 마음이론의 신경 기초에 대한 연구가 이루어져야 할 필요성이 있음을 논의하였다.

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