[P2–369]: QUANTIFICATION OF WHITE MATTER VULNERABILITY USING MULTI‐COMPONENT RELAXOMETRY (AND DIFFUSION TENSOR IMAGING): A POSSIBLE TOOL TO DETECT PRECURSORS TO NEURODEGENERATION. (1st July 2017) - Lamar, Melissa; Dean, Douglas C.; Barrick, Tom; Charlton, Rebecca; Zhou, Xiaohong; Deoni, Sean