ISSN : 1226-9654
This study investigated the relation among response time, cerebral cortex's activities and empathy level during mentalizing and emotional inference in comic strip task. Experimental participants were separated into high empathy group and low empathy group by their interpersonal reactivity index score. Comic strip task consisted of mentalizing condition, positive emotion inference condition, and negative emotion inference condition. Base line was recorded before performance of task. Reaction time and EEG were measured during performance of comic strip task. According to the results, on response time, both high empathy group and low empathy group responded more quickly to positive emotion inference condition and negative emotion inference condition than mentalizing condition. On the result of cerebral cortex's activities, mirror neuron system, medial prefrontal gyrus, anterior and posterior cingulate gyrus, fusiform gyrus, insula and parahippocampal gyrus of high empathy group were activated in all comic strip condition. According to the results of response time and cerebral cortex's activities, emotion inference is triggered more quickly than mentalizing, but cerebral cortices related to emotion inference are overlapped with that related to mentalizing. In addtion, this study suggest activities of parahippocampal gyrus and posterior cingulate show that there are integration of cognitive information and emotional information and association with memorial representation in empathy process. Finally, the relation between individual personality and physiological difference was discussed.
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