title: Dementia: its definition, differential diagnosis, and subtypes.
mesh_terms: D000375:Aging; D000544:Alzheimer Disease / Q000175:diagnosis; D001927:Brain Diseases / Q000150:complications; D003071:Cognition / Q000502:physiology; D003704:Dementia / Q000145:classification* / Q000175:diagnosis / Q000209:etiology; D003866:Depressive Disorder / Q000150:complications; D003937:Diagnosis, Differential; D006801:Humans; D008659:Metabolic Diseases / Q000150:complications