Abstract:Ultra-high field (7T) ultra-short echo time (8 ms STEAM) MRS can consistently provide a 14-neurochemical profile and distinguish aging and AD status. In this project, we generated composite scores from published age- and AD- specific neurochemical profiles and applied them to a typically aging cohort for whom polygenic risk for AD and extensive cognitive performance data were also available. Principal component analysis of the neurochemical profile fully distinguished aging, and AD classification was 58% corre… Show more
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