| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
To investigate neuronal mechanism for interval timing, especially for temporal discrimination of sensory stimuli with different modality, we recorded neuronal activity from prefrontal cortex of animals performing a temporal discrimination task using visual and auditory stimuli. Many prefrontal neurons selectively responded to visual and auditory stimuli during stimulus presentation periods while a group of neurons represented relative duration for visual and auditory stimuli in a discrimination decision phase. These results suggest temporal information of visual and auditory stimuli is processed partially in different neuronal networks in prefrontal cortex.
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