1. From the Department of Neurology, Functional Neurology Research Group, Cognitive Behavioral Neurology Unit, Massachusetts General Hospital, Harvard Medical School, Boston (BW, JPO, RJ, DLP); the Department of Psychiatry, Benson-Henry Institute for Mind Body Medicine, Massachusetts General Hospital, Boston (GLF); and the Department of Psychiatry, Neuropsychiatry Unit, Massachusetts General Hospital, Harvard Medical School, Boston (DLP).