Prospective studies conducted during the last decade have shown that the majority of
patients with Parkinson's disease (PD) develop dementia. In addition, using a variety of …

Background: Cognitive deficits are common in Parkinson's disease (PD), but the range of
deficits is variable. The aim of this study was to identify different cognitive subgroups …

Understanding on the clinical features and neural mechanisms leading to cognitive
impairment and dementia in Parkinson's disease (PD) has notably increased. At time of …

Cognitive impairment can be demonstrated in Parkinson's disease (PD) from the very
beginning of the disease. Clinical manifestations range from slight deficits, only …

While Parkinson's disease (PD) traditionally has been defined by its characteristic motor
hallmarks, non-motor features such as cognitive impairment and dementia are increasingly …

Background: In studies of mild cognitive impairment (MCI) in Parkinson disease (PD),
patients without dementia have reported variable prevalences and profiles of MCI, likely to …

Mild Cognitive Impairment in Parkinson's Disease (PD‐MCI) is common and may be
associated with accelerated progression to dementia. Considering the importance of this …

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 …

Objective: To examine the incidence, progression, and reversion of mild cognitive
impairment in patients with Parkinson disease (PD-MCI) over 5 years. Methods: A …

Abstract Purpose of Review Mild cognitive impairment is a common feature of Parkinson's
disease, even at the earliest disease stages, but there is variation in the nature and severity …