title: Psychosis in Parkinson's disease: unexplained observations in a seemingly simple model.
authors.affiliation: a Director, Movement Disorders Program , Butler Hospital , Providence , RI , USA.|b Division of Movement Disorders, Dept of Neurology , Alpert Medical School of Brown University , Providence , RI , USA.
authors.forename: Joseph H
authors.initials: JH
authors.lastname: Friedman
authors.affiliation: c Dept of Neurology, Butler Hospital, Rhode Island Hospital , Alpert Medical School of Brown University , Providence , RI , USA.
authors.forename: Umer
authors.initials: U
authors.lastname: Akbar
keywords: Parkinson’s disease; Parkinson’s disease psychosis; atypical antipsychotic drugs; clozapine; delusions; dementia with Lewy bodies; hallucinations; pimavanserin