[P3–114]: ALZHEIMER'S DISEASE POLYGENIC RISK SCORE PREDICTS MILD COGNITIVE IMPAIRMENT (MCI) IN MIDDLE AGE. (1st July 2017) - Kremen, William S.; Logue, Mark W.; Panizzon, Matthew; Elman, Jeremy A.; Gillespie, Nathan; Hatton, Sean; Gustavson, Daniel; Andreassen, Ole; Dale, Anders M.; Lyons, Michael; Neale, Michael; Reynolds, Chandra; et al.