| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
The aim of this study is to identify if the emotional brain activity is modified by biting. We analyzed activation of several brain regions ob human subjects by using functional magnetic resonance imaging (fMRI) under different biting pressure. The biting pressure was monitored using a flat pressure sensor attached to clear retainer and was visually feed-backed to the subjects. Biting activated the occipito-temporal visual areas, the parietal visual association areas, the primary and secondary somatosensory areas, and the primary motor area. We found that the neuronal activity of amygdala was suppressed by biting.
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