We studied the relationship between two screening cognitive measures and off motor
Unified Parkinson's Disease Rating Scale (UPDRS) scores in 108 Parkinson's disease …

It is well known that many patients with Parkinson's disease experience neuropsychological
decline. However, the nature and extent of mental status change varies widely, with some …

Background: Numerous neuropsychological tests and test versions are used in Parkinson's
disease research, but their relative capacity to detect mild cognitive deficits and their …

There is growing interest in identifying Parkinson's disease (PD) patients with mild cognitive
impairment (PD‐MCI), but widely disparate criteria have been used. We assessed 143 PD …

We examined the frequency of Parkinson disease with mild cognitive impairment (PD‐MCI)
and its subtypes and the accuracy of 3 cognitive scales for detecting PD‐MCI using the new …

Cognitive impairment (CI) and dementia are frequent and debilitating features associated
with Parkinson's disease (PD). Formal neuropsychological examination is required to …

Cognitive defects associated with cortical pathology may be a marker of dementia in
Parkinson's disease (PD). There is a need to improve the diagnostic criteria of PD dementia …

Abstract The Unified Parkinson's Disease Rating Scale (UPDRS) is widely used to asses
Parkinson's disease (PD) disability but its metric properties have not been extensively …

Parkinson's disease (PD) is a chronic neurodegenerative disorder that causes cognitive
impairment and dementia in∼ 30% of patients. Objective: Compare metric qualities of Mini …

Cognitive impairment is one of the earliest, most common, and most disabling non‐motor
symptoms in Parkinson's disease (PD). Thus, routine screening of global cognitive abilities …