title: The dementia of Parkinson's disease.
abstract: An understanding of the causes, nature, and course of intellectual impairment in Parkinson's disease (PD) is essential for the correct development of therapy. This article reviews the causes of the dementia of PD, its primary clinical and pathological features, and its course.
authors.affiliation: Department of Neurology, University of Minnesota Medical School, Minneapolis.
authors.forename: J A
authors.initials: JA
authors.lastname: Mortimer
mesh_terms: D000368:Aged; D003704:Dementia / Q000209:etiology*; D006801:Humans; D010300:Parkinson Disease / Q000150:complications*