| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Research Abstract |
In this study, we initially investigated tool operation and motor-related brain activity in normal subjects during observation and motor imagery by using an NIRS-EEG system. A standard threshold was set based on the brain activity recorded. We also developed a neurofeedback device, which can give visual feedback when the threshold is exceeded. Because activity was clearer in the left premotor cortex in all subjects, we focused on activity in that area. A 2-week intervention was conducted using this device for 10 subjects with upper limb motor deficit following stroke. This intervention significantly improved function in six subjects with activity surpassing the threshold in the left premotor cortex during tool operation observation and motor imagery. On the other hand, intervention did not have a marked effect in four subjects who showed brain activity below the threshold.
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