| Budget Amount *help |
¥39,520,000 (Direct Cost: ¥30,400,000、Indirect Cost: ¥9,120,000)
Fiscal Year 2019: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2018: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2017: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2016: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
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| Outline of Final Research Achievements |
The present research project aimed to detect the activity of cell assemblies when higher memory functions were working in the brain. We have obtained enough findings in the early period of the project as the following. Hippocampal neuron populations quickly showed synchronous firing when retaining and using contexts of stimuli. Neuronal populations showed the interaction between the hippocampus and prefrontal cortex when retaining and using orders of stimuli. Hippocampal neurons showed specific rhythms reflecting cell-assembly activity when consolidated rules were changed for use. We have also constructed new memory tasks for rats, new methodologies to detect higher memory and cognitive functions, and new strategies for the research of cell assemblies. We have published all of these results in international journals.
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