| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
Anatomical and electrophysiological studies of animals (anesthetized rats) have revealed cross-modal interactions of auditory, visual and somatosensory inputs in the thalamic reticular nucleus (TRN) that regulates sensory processing and transmission in the thalamocortical loop circuitry. The interactions take place not only in TRN cells projecting to higher-order thalamic nuclei involved in multisensory integration but also in those projecting to first-order thalamic nuclei so far assumed to be dedicated only to information processing of a given sensory modality. It was also indicated that there exist neural organization that regulates auditory and visual processing based on distinct properties of burst spiking of the two types of TRN cells and afferent connections that mediate cross-modal sensory interactions. Further, studies have revealed somatosensory influence on auditory response of first-order thalamic nucleus cells of which function is specialized for auditory processing.
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