| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Research Abstract |
This study aimed to investigate the effect of odorants on the salivary biomarker levels during sleep and after awakening. For the continuous collection of saliva during sleep, a saliva collection system comprised of a suction mechanism and a collection device was designed. Using this system, small amounts of each subject's saliva could be noninvasively collected without disturbing their sleep, thus facilitating the study of temporal changes in hormone concentrations during sleep. As an experimental result, the level of a biochemical substance was found to be significantly different by the inhalation of essential oils during sleep. than with the control conditions. However, no associations were found between the subjective quality of sleep and the odorants.
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