%0 Journal Article %T Physical Activity Improves Verbal and Spatial Memory in Older Adults with Probable Mild Cognitive Impairment: A 6-Month Randomized Controlled Trial %A Lindsay S. Nagamatsu %A Alison Chan %A Jennifer C. Davis %A B. Lynn Beattie %J Journal of Aging Research %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/861893 %U http://dx.doi.org/10.1155/2013/861893