1. From the Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, and the Center of Excellence for Neurorestoration and Neurotechnology, Providence VA Medical Center, Providence, R.I.; the Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Charlestown, Mass., and the Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, Mass.; the Department of Psychiatry, the Department of Biomedical Engineering, the...