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Motivation and Emotion

開催日 2014/9/11
時間 11:00 - 12:00
会場 Poster / Exhibition(Event Hall B)

Neural correlates of coping strategy for boredom

  • P1-229
  • 塙 杉子 / Sugiko Hanawa:1 杉浦 元亮 / Motoaki Sugiura:1,2 野澤 孝之 / Takayuki Nozawa:3 野内 類 / Rui Nouchi:2,3 横山 諒一 / Ryoichi Yokoyama:1,4 事崎 由佳 / Yuka Kotozaki:3 荒木 剛 / Tsuyoshi Araki:3 川島 隆太 / Ryuta Kawashima:1,3 
  • 1:東北大学加齢医学研究所(IDAC) / IDAC, Univ of Tohoku, Sendai, Japan 2:災害科学国際研究所 災害情報認知研究分野 / IRIDeS, Univ of Tohoku, Sendai, Japan 3:スマート・エイジング国際共同研究センター / SAIRC, Univ of Tohoku, Sendai, Japan 4:日本学術振興会 / JSPS, Tokyo, Japan 

We repeatedly experience boredom. There are two types of strategies in the coping system: behavioral (BC) versus cognitive (CC). Although both strategies involve coping with stress, BC is to try to change the stressful situation of boredom, while CC is to change one's own perception. The purpose of this study was to clarify the neural basis of the two strategies of coping with boredom using fMRI. 46 healthy right-handed students participated in this study. Written informed consent was obtained and protocol was approved by the Ethics Committee. In the MRI scanner, subjects alternately performed an Appreciation task, in which they viewed a photo or drawing (4s), and an Evaluation task, in which the subjects rated their degree of boredom during the preceding Appreciation task using a four-grade scaling (1: Want to see the same stimulus - 4: Want to see a new stimulus; 1s). When the subject selected 1, 2, or 3, the same stimulus was presented in the subsequent Appreciation task. When the subject selected 4, in the subsequent Appreciation task, he/she could see a new stimulus at 50% probability. When a new stimulus was not presented, the subject selected 4 again and a new stimulus was presented in 50% of the cases in the following Appreciation task. We hypothesized that BC activity would occur just before the first selection of 4 for each stimulus, and CC activity would occur at the second or more presentations of the same stimuli after the first selection of 4. The neural responses specific to BC were identified in the left post central gyrus; on the other hand, CC were identified in the bilateral midedle temporal gyrus (MTG), the right angular gyrus, and the right inferior frontal gyrus. Previous studies suggest that the findings in BC seemed to be motor preparation, and the findings in CC may be related to creativity. Furthermore, the findings in common coping strategies may suggest that the mPFC plays a key role in modulating the attentional balance and thinking about a future reward.

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