title: Primary progressive aphasia--a language-based dementia.
authors.affiliation: Cognitive Neurology and Alzheimer's Disease Center, Northwestern Cognitive Brain Mapping Group, Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. mmesulam@northwestern.edu
authors.forename: M-Marsel
authors.initials: MM
authors.lastname: Mesulam
mesh_terms: D001037:Aphasia / Q000175:diagnosis* / Q000473:pathology / Q000503:physiopathology; D001921:Brain / Q000473:pathology / Q000503:physiopathology; D003704:Dementia / Q000175:diagnosis* / Q000473:pathology / Q000503:physiopathology; D003937:Diagnosis, Differential; D006801:Humans; D007802:Language; D008279:Magnetic Resonance Imaging; D015899:Tomography, Emission-Computed, Single-Photon