| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2009: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
The olfactory cortex is functionally isolated from the external odor world during slow-wave sleep. However, the neuronal activity pattern in the olfactory cortex and its functional role during slow-wave sleep were not well understood. Here, I demonstrated in freely behaving rats that the anterior piriform cortex repeatedly generated sharp waves accompanied by synchronized discharges of numerous cortical neurons during slow-wave sleep. The olfactory cortex sharp waves drove synchronized top-down inputs to the olfactory bulb. The olfactory cortex sharp waves may represent the reactivation of the neuronal activation pattern during preceding waking period and contribute to the memory consolidation process in the olfactory cortex.
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