Parkinson’s Disease Psychosis

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The changing face of Parkinson’s disease-associated psychosis: A cross-sectional study based on the new NINDS-NIMH criteria

By Gilles Fénelon MD, PhD, Thierry Soulas MA, Franck Zenasni PhD and Laurent Cleret de Langavant MD

New criteria for Parkinson’s disease-associated psychosis (PDAP) were recently proposed by a NINDS-NIMH working group. We assessed 116 consecutive unselected outpatients with PD for the existence of psychotic symptoms during the previous month, using a structured questionnaire covering the whole spectrum of PDAP symptoms. Hallucinations occurred in 42% of the patients (visual: 16%; nonvisual: 35%),…

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