Pentagon drawing and neuropsychological performance in Dementia with Lewy Bodies, Alzheimer's disease, Parkinson's disease and Parkinson's disease with dementia

Abstract

This study has suggests that DLB subjects show an impairment of pentagon copying that is dissociable from more global cognitive impairments, whereas PD patients are relatively unimpaired on pentagon copying and AD and PDD patients show a linkage of their impairment in copying with more global cognitive deficits.