| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2018: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2017: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2016: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
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| Outline of Final Research Achievements |
I obtained four major findings in this study. At first, I showed that aversive learning in crickets can be accounted for by the prediction error theory. Secondly, I obtained evidence to suggest that dopamine neurons mediate aversive prediction error signals. Thirdly, I was successful to morphologically characterized octopamine-immunoreactive neurons that are likly to convey information about prediction error signals in appetitive learning in cockroaches. Finally, I showed that some features of learning in crickets cannot be accounted for by prediction error theory. In conclusion, I showed applicability of the predictor error to insect learning and also its limitations, and clarified some of its neural basis.
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