From A.A. Martinos Center for Biomedical Imaging (Drs. Knake, Triantafyllou, Wald, Wiggins, Stufflebeam, Shiraishi, Dale, Halgren, and Grant, and G.P. Kirk and M.T. Foley), Massachusetts General Hospital, Harvard Medical School, Charlestown; Department of Neurology (Dr. Knake), Philipps-University, Marburg, Germany; The National Center for Epilepsy (Dr. Larsson), Sandvika, Norway; and Department of Radiology (Dr. Grant), Massachusetts General Hospital, Boston. (At 2005-10-11)