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ISSN : 1229-8778
This study examines the psychological and neurological mechanisms of epistemic curiosity by using functional Magnetic Resonance Imaging (fMRI) combined with survey. We ran a simple word recognition task, where South Korean subjects were asked to find corresponding South Korean words of North Korean target words. Our main focus was on the difference between internal (ICG) and external curiosity gratification (ECG), where correct answers were identified by subjects themselves (i.e., ICG), or eluded subjects therefore later were given by experimenters (i.e., ECG). The fMRI results demonstrated that greater activity in reward-related brain areas such as putamen and globus pallidus was associated with ICG compared to ECG conditions, indicating that subjects had positive feelings when they were able to gratify their curiosity internally based on their own knowledge and through reasoning. Simultaneously, brain areas related with memory encoding and retrieval were activated, and this means that ICG stimulates a voluntary learning. On the other hand, during ECG condition, upon seeing correct answers, subjects showed increased responses in the insula, which seems to indicate their negative subjective feeling due to their failure of finding correct answers. Subsequent survey using a different group of subjects revealed that subjects reported higher self-esteem leading to greater positive emotion during ICG vs. ECG condition, further confirming the aforementioned hypotheses. In the end, theoretical and practical implications as well as limitations of the present study are discussed in details.
AGB 닐슨코리아, 8월 시청률 조사 결과,
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