| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
|
|---|
| Outline of Final Research Achievements |
Decision timing of multi-alternative decision is known to follow Hick's law: The decision time is a linear function of the log of the number of alternatives. However, little is known about neural mechanisms underlying Hick's law. We have succeeded in constructing a cortical circuit model that can replicate Hick's law. This model also predicts that decision timing of multi-alternative decision will follow Weber's law: The coefficient of variation of decision timing is constant with the number of alternatives. These results suggest that Hick's law and Weber's law, though links between these empirical laws have been little discussed so far, have common neural bases.
We have also put forward a method of local detection communities in complex networks, which models neural mechanisms of multi-alternative decision. The proposed method outperforms a state-of-the-art method. These demonstrate that modelling the real brain is beneficial for creating novel and practically useful technology.
|
