Cognitive impairment (CI) is a common nonmotor complication of Parkinson's disease (PD),
and is associated with significant disability for patients and burden for caregivers. Similar to …

Parkinson's disease (PD) is a progressive neurodegenerative disease characterized by
motor symptoms such as rigidity, rest tremor, and bradykinesia. However, a growing body of …

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 …

Parkinson's disease (PD) is a common, disabling, neurodegenerative disorder. In addition to
classical motor symptoms, non-motor features are now widely accepted as part of the clinical …

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 …

Parkinson disease (PD) is the most common neurodegenerative movement disorder,
affecting 1 in 100 individuals over the age of 60. Dementia in the setting of PD (PDD) may be …

Cognitive impairment is a frequent nonmotor symptom in Parkinson disease (PD), often
associated with poor outcomes and reduced quality of life. 1–3 Cognitive impairment in PD …

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 …

A substantial percentage of patients with newly diagnosed Parkinson's disease without
dementia are reported to be affected by cognitive impairment (CI). In practice, however, CI is …

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