1. Research Imaging Institute, University of Texas Health Science Center at San Antonio (Gray, Fox); Institute of Neuroscience and Medicine, Brain and Behavior (INM-7), Research Center Jüelich, Germany (Müller, Eickhoff); Institute of Systems Neuroscience, Medical Faculty, Heinrich Heine University Düsseldorf, Germany (Müller, Eickhoff); and South Texas Veterans Health Care System, San Antonio (Fox).