The purpose of this study is to compare the neuropsychological profile of patients affected by
parkinsonism and vascular lesions to that in patients with PD alone (PD) and to evaluate …

Some degree of cognitive impairment appears frequently in Parkinson's disease (PD)
patients, even at the onset of the disease. However, due to the heterogeneity of the patients …

Objective Little is known about the disease progression of Parkinson's disease patients with
subjective cognitive complaint (PD‐SCC). This longitudinal cohort study aims to compare …

Background Cognitive impairment is a common and devastating manifestation in
Parkinson's disease (PD). We aimed to identify modifiable risk factors for PD with cognitive …

Cognitive impairment is common in Parkinson's disease (PD). There is a critical need for a
brief, standard cognitive screening measure for use in PD trials whose primary focus is not …

Psychosis in Parkinson's disease (PD) is common and associated with a range of negative
outcomes. Dementia and psychosis are highly correlated in PD, but the frequency and …

Background People with PD are at high risk of developing cognitive impairment and
dementia. Cross‐sectional studies have identified candidate biomarkers associated with …

To unveil cognitive‐nigrostriatal correlations in Parkinson's disease (PD), 30 de novo, drug‐
naïve PD patients and 15 patients with essential tremor (Controls, CTR) underwent a …

Mild cognitive impairment (MCI) is common in Parkinson's disease (PD), affecting almost all
patients with PD at some time. It has been shown that patients with PD, who express …

Background Cognitive deficits are evident throughout the course of Parkinson's disease
(PD), with 24% of patients experiencing subtle cognitive disturbances at the time of …