Dementia in Parkinson's disease: cause and treatment

Abstract

Purpose of review Dementia in Parkinson's disease is increasingly being recognized. A number of studies have recently appeared on the epidemiology, clinical features, pathological correlations and treatment of dementia in Parkinson's disease. The purpose of this article is to provide an overview of recent findings on dementia associated with Parkinson's disease, from February 2003 to the present.