| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
Sniffing is an active sensing behavior strongly controlled depending on behavioral and stimulus context. Sniffing-coupled sub-threshold electrical activity is found in neurons of rodent olfactory bulb, and suggested to affect odor information representation. Here, we hypothesized that controlling the sniffing would be helpful in getting the odor information with different resolution, and examined it by network model simulation. Simulation results indicated following two points: in the level of single neuron, the sub-threshold rhythmic activity makes input-latency relationship to be linear in wide range of input strength, and by changing temporal features of the sub-threshold activity, the input-latency relationship vary in a regular way; on the level of neural network, controlling the sniffing-coupled input would play a key role in concentration invariance and speed-accuracy tradeoff in the odor information processing.processing.
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