[P4–475]: PLASMA OMEGA‐6 DERIVED METABOLITE IS ASSOCIATED WITH AN "UNFAVORABLE" MRI PROFILE AND AN OMEGA‐3 DERIVED METABOLITE IS ASSOCIATED WITH A "FAVORABLE" MRI PROFILE IN A COHORT OF COGNITIVELY NORMAL HYPERTENSIVE YOUNG‐OLD. (1st July 2017) - Shinto, Lynne; Lahna, David; Murchison, Charles F.; Dodge, Hiroko; Hagen, Kirsten; Quinn, Joseph F.; Kaye, Jeffrey; Silbert, Lisa C.