Objective measures of physical activity, white matter integrity and cognitive status in adults over age 80.
Tian Q, Glynn NW, Erickson KI, Aizenstein HJ, Simonsick EM, Yaffe K, Harris TB, Kritchevsky SB, Boudreau RM, Newman AB, Lopez OL, Saxton J, Rosano C. Objective measures of physical activity, white matter integrity and cognitive status in adults over age 80. Behav Brain Res. 2015 May 01; 284:51-7.