P1‐414: STATINS AND BRAIN HEALTH: MEDICATION EFFECTS ON NEUROIMAGING BIOMARKERS IN OLDER INDIVIDUALS. (1st July 2006) - Ramanan, Vijay K.; Przybelski, Scott A.; Graff-Radford, Jonathan; Lowe, Val J.; Mielke, Michelle M.; Roberts, Rosebud O.; Knopman, David S.; Petersen, Ronald C.; Jack, Clifford R.; Vemuri, Prashanthi