Relationships between extrapyramidal signs and cognitive function in a community-dwelling cohort of patients with Parkinson's disease and normal elderly individuals.

The relationship between extrapyramidal sign (EPS) severity and cognitive function was investigated in 184 patients with idiopathic Parkinson's disease (PD) and 301 normal elderly individuals from a community-dwelling cohort in northern Manhattan, New York City. Fifty-six of the patients with PD met criteria for dementia of the Diagnostic and Statistical… CONTINUE READING