| Budget Amount *help |
¥2,938,000 (Direct Cost: ¥2,260,000、Indirect Cost: ¥678,000)
Fiscal Year 2011: ¥1,378,000 (Direct Cost: ¥1,060,000、Indirect Cost: ¥318,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
Partner choice is one of the most important decision making for social life in primates including human. The aims of this study are to elucidate a strategy of social partner choice to get more rewards and neural systems underlying social partner choice. In human experiment, I compared behavioral strategies between when subjects could choose their partners and when their partners had been pre-determined. The results showed that the subjects showed more cooperative behaviors when they could choose their partners by themselves. In monkey experiment, I recorded neuronal activity from the amygdala while the monkeys were choosing one of the two options which were directed by facial expression of partners. I found the neuron showing different activity in response to different identity of the stimuli. This result indicates that the amygdala is involved in processing of who is the partner.
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