| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
In this study, we developed a system that performs real-time measurement of the force applied by the tongue on the nipple during sucking by newborns. We also constructed an algorithm for detecting sucking abnormalities, with the aim of assisting clinical management related to suckling behavior. In particular, we developed an artificial nipple installed with small cantilever-type sensors at multiple points that can perform three-dimensional measurements of the forces applied to the nipple surface. We found that the force is primarily applied from the bottom of the nipple surface toward the upper jaw and that an infant sucks about two times every second. In an analysis of tongue movement, peristalsis-like movement was observed in infants who have established oral feeding skills; however, this movement was absent in infants without these skills. In addition, a system that can automatically extract these elements was constructed.
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