In the long-term, with progression of the illness, Parkinson's disease dementia affects up to
90% of patients with Parkinson's disease. With increasing life expectancy in western …

Mild cognitive impairment is common in nondemented Parkinson's disease (PD) patients
and may be a harbinger of dementia. In view of its importance, the Movement Disorder …

Parkinson's disease (PD) is the second most common progressive neurodegenerative
disorder mainly in middle‐elderly population, which represents diverse nonmotor symptoms …

Dementia is one of the most common and important aspects of Parkinson's disease and has
consequences for patients and caregivers, and has health-related costs. Mild cognitive …

Objective: To describe the frequency of mild cognitive impairment (MCI) in Parkinson
disease (PD) in a cohort of newly diagnosed incident PD cases and the associations with a …

Abstract Parkinson's disease (PD), one of the most frequent neurodegenerative disorders, is
no longer considered a complex motor disorder characterized by extrapyramidal symptoms …

Objective Mild cognitive impairment and dementia are common non-motor features of
Parkinson's disease (PD). The aim of this study was to characterise grey matter changes …

Objective: We examined the development of Parkinson disease (PD)–mild cognitive
impairment (MCI) in patients with newly diagnosed PD over 5 years using recently proposed …

In addition to the classic motor symptoms, Parkinson's disease (PD) is associated with a
variety of nonmotor symptoms that significantly reduce quality of life, even in the early stages …

Objectives In Parkinson's disease (PD), Parkinson's disease dementia (PDD) and
Parkinson's disease–mild cognitive impairment (PD‐MCI) are common. PD‐MCI is a risk …