Increasing demands of in-vivo human brain imaging, both the anatomy and functional molecular imaging brought about development of Ultra-High Field MRI and PET Fusion Imaging (PET-MRI) with 7.0T-MRI and HRRT-PET, a submillimeter resolution PET. With this super-resolution PET -MRI, we have succeeded in visualization of: such as the brainstem Raphe imaging in-vivo human and opened new era in molecular imaging in brain imaging in submillimeter resolution. This talk will discuss possible

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... of the system for the early detection of Parkinson's. Alzheimer's, and Strokes, as well as other cognitive science researches such as Phonologic and Logographic language processing in the human brain together with cognitive studies using neural-Lexicons hypothesis for the Cognition and Thinking.