| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Although it is known that a coupling exists between the respiratory control system and the motor control system, the mechanism of this coupling is still unclear. In this study, we examined the effects of inputs to the respiratory control system (manipulation of CO2 and O2 concentrations during inspiration or ventilation volume) on neuromuscular activity in the limbs. The results suggest that an increase in arterial blood CO2 partial pressure may enhance the self-sustained activity of spinal motoneurons innervating the lower leg muscles and that central chemoreceptors may play a certain role there.
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