Background Prospective data on cognition in prodromal Parkinson's disease are limited.
The objectives of this study were to assess in prodromal PD (1) if baseline cognition predicts …

Mild cognitive impairment has gained recognition as a construct and a potential prodromal
stage to dementia in both Alzheimer's disease and Parkinson's disease (PD). Although mild …

The purpose of this study was to investigate cortical dysfunction in Parkinson's disease (PD)
patients with amnestic deficit (PD‐MCI). Perfusion single photon emission computed …

Neuropsychiatric symptoms (NPS) such as depression, hallucinations and apathy commonly
occur in Parkinson's disease (PD) and have major clinical consequences including a …

ABSTRACT Background The International Parkinson and Movement Disorder Society
criteria for mild cognitive impairment in PD were recently formulated. Objectives The aim of …

Background and purpose The goal of this study was to establish the prevalence of
subjective memory complaints (SMC s) and depressive symptoms (DS) s and their relation …

Background Parkinson's disease (PD) is characterized by heterogeneous motor and
nonmotor manifestations related to alterations in monoaminergic neurotransmission …

ABSTRACT Background: People with Parkinson's disease (PD) who develop visuo‐
perceptual deficits are at higher risk of dementia, but we lack tests that detect subtle visuo …

The aim of this work was to determine the progression of cognitive impairment in Parkinson's
disease (PD) patients with or without hallucinations. Two years after the first assessment, 36 …

Objective Mild cognitive impairment (MCI) and psychiatric symptoms (anxiety, depression,
and apathy) are common in Parkinson's disease (PD). While studies have supported the …