1. The Jane and Terry Semel Institute of Neuroscience and Human Behavior, Psychiatry and Biobehavioral Sciences, University of California Los Angeles (Green, Hernandez, Lawrence, Liu, Yeargin, Cummings, Laugeson, Dapretto, Bookheimer); Yale Child Study Center, Yale University, New Haven, Conn. (Tsang); and the Help Group–UCLA Autism Research Alliance, Los Angeles (Laugeson).