| Budget Amount *help |
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
We have developed a novel real-time measurement technique for quantitating cerebral blood flow using an arterial spin labeling method. Compared to the BOLD signal measurement, which is commonly used as a functional MRI method, the arterial spin labeling method generally requires more measurement time to image whole brain functions. In this study, high-speed MR imaging of cerebral blood flow was conducted by applying a parallel imaging technique to the arterial spin labeling method. To parallelize the imaging, we used a simultaneous multi-slice imaging technique with multi-band excitation RF pulses. Because it is less prone to magnetic susceptibility artifacts, the proposed imaging method may be used to investigate areas in the brain that were difficult to image using conventional BOLD functional MRI techniques.
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