| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Outline of Final Research Achievements |
The participants were six healthy control subjects and 6 patients with chronic insomnia. We examined the MRS Signals of the anterior cingulate gyrus, ventrolateral preoptic area (VLPO), brainstem reticular formation, and hippocampi to estimate the relative concentrations of NAA, lactate, choline, mI, lipids, and glutamine and glutamate complex (Glx). Sleep state, level of predisposition to insomnia, dysfunctional beliefs about insomnia, as well as depressive symptoms, were each assessed by ISI-J, FIRST, DBAS, and BDI-II. In both groups, the ISI and BDI scores were positively correlated with the levels of Glx in the right hippocampus, and the FIRST scores were positively correlated with the levels of lipids in the anterior cingulate gyrus. In the insomnia group, the total DBAS score and the “sleep expectations” in a subcategory were observed to be positively correlated with the lipid levels in the right hippocampus and the levels of Glx in the anterior cingulate gyrus, respectively.
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