| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
Activity of neurons and local field potentials (LFPs) was recorded from the primary motor cortex (M1) and higher-order motor areas while macaque monkeys were performing a button-press task with either the right or left hand. Neuronal activity of the M1 reflected contralateral hand movements more often than ipsilateral ones. In addition, neuronal activities in the M1 were correlated with reaction times of contralateral hand movements more strongly than those in higher-order motor areas. Moreover, high-gamma and theta bands of LFPs represented contralateral hand movements. These findings suggest that while higher-order motor areas play a role in selecting which hand to use, the M1 plays a crucial role in initiating contralateral hand movements.
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