title: Does "idiopathic" REM sleep behavior disorder exist?
authors.forename: Mark W
authors.initials: MW
authors.lastname: Mahowald
mesh_terms: D001921:Brain / Q000098:blood supply / Q000378:metabolism / Q000503:physiopathology; D002560:Cerebrovascular Circulation / Q000502:physiology; D003937:Diagnosis, Differential; D004569:Electroencephalography; D006801:Humans; D008279:Magnetic Resonance Imaging; D015225:Magnetoencephalography; D019636:Neurodegenerative Diseases / Q000453:epidemiology / Q000503:physiopathology; D017286:Polysomnography / Q000379:methods; D049268:Positron-Emission Tomography; D020187:REM Sleep Behavior Disorder / Q000175:diagnosis* / Q000453:epidemiology / Q000503:physiopathology; D015899:Tomography, Emission-Computed, Single-Photon