title: A 63-year-old man with headaches and behavioral deterioration.
authors.affiliation: Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
authors.forename: Steven M
authors.initials: SM
authors.lastname: Greenberg
authors.forename: Joseph E
authors.initials: JE
authors.lastname: Parisi
authors.forename: B Mark
authors.initials: BM
authors.lastname: Keegan
mesh_terms: D004569:Electroencephalography; D006261:Headache / Q000150:complications* / Q000473:pathology; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male; D001523:Mental Disorders / Q000150:complications* / Q000473:pathology; D008875:Middle Aged; D009460:Neurologic Examination