The impact of age-related changes on working memory functional activity
Brain Imaging and Behavior (2009) - Comment
pubmed: 19536354  doi: 10.1007/s11682-008-9056-x  issn: 1931-7557  issn: 1931-7565 

Jason Steffener, Adam M. Brickman, Brian C. Rakitin, Yunglin Gazes, Yaakov Stern