P1‐007: RACE MODIFIES THE RELATIONSHIP BETWEEN ALZHEIMER'S DISEASE (AD) BIOMARKERS AND COGNITION IN A COHORT OF MIDDLE‐AGED INDIVIDUALS AT HIGH‐RISK FOR AD. (1st July 2019) - Kumar, Veena; Wharton, Whitney; Zhao, Liping; Verble, Danielle D.; Pak, Hannah; Tharwani, Sonum; Zetterberg, Henrik; Shin, Ryan; Huang, Hanfeng; Quyyumi, Arshed; Parker, Monica W.; Kippels, Andrea J.; et al.