James L Bernat1, Dan Larriviere2. 1. From the Department of Neurology (J.L.B.), Dartmouth-Hitchcock Medical Center, Lebanon, NH; and the Department of Neurology (D.L.), Ochsner Medical Center, New Orleans, LA. bernat@dartmouth.edu. 2. From the Department of Neurology (J.L.B.), Dartmouth-Hitchcock Medical Center, Lebanon, NH; and the Department of Neurology (D.L.), Ochsner Medical Center, New Orleans, LA.