[IC‐P‐094]: EARLY‐LIFE COGNITIVE ACTIVITY RELATES TO REDUCED NEURODEGENERATION BUT NOT TO BETA‐AMYLOID DEPOSITION IN NON‐DEMENTED ELDERLY INDIVIDUALS. (1st July 2017) - Ko, Kang; Byun, Min Soo; Yi, Dahyun; Lee, Jun Ho; Sohn, Bo Kyung; Lee, Jun Young; Lee, Dong Young