| Budget Amount *help |
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2014: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2013: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2012: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2011: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
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| Outline of Final Research Achievements |
This study aimed to develop a home-monitoring system for recording and auto-analyzing nocturnal infant sleep-wake during co-sleeping, and to describe nocturnal infant sleep at 2 and 25 weeks after birth.
Developed was an image processing and a hybrid-sensing activity counter to monitor twelve low-risk infants. Sleep-wake patterns were analyze at 2, 4, 7, 12, 25 weeks after birth. Longitudinal data indicated sleep variables increased and wake variables decreased. Sleep development by 12-week. The majority of the longest sleep periods were observed during the first sleep period resembling adult sleep. Adult sleep patterns may appear as early as 12 weeks.
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