Affective disorders, cognitive decline, and psychosis have long been recognized as common
in Parkinson disease (PD), and other psychiatric disorders include impulse control …

Background Asymmetric hemispheric loss of dopaminergic neurons is one of the
characteristic features of Parkinson's disease (PD). However, it is still debated if right or left …

Background: Research criteria for prodromal dementia with Lewy bodies (DLB) were
published in 2020, but little is known regarding prodromal DLB in clinical settings. Methods …

Background and purpose Anxiety and depression are common disabling comorbidities in
cervical dystonia (CD) and may predispose to social withdrawal and social cognitive …

Objective: Neuropsychological literature reports varying prevalence of cognitive impairment
within patient populations, despite assessment with standardized neuropsychological tests …

Background: Some individuals with Parkinson's disease (PD) experience working memory
and inhibitory difficulties, others learning and memory difficulties, while some only minimal to …

Introduction Mild cognitive impairment (MCI) is a common symptom observed in individuals
with Parkinson's disease (PD) and a main risk factor for progressing to dementia. Our …

The course of REM sleep behavior disorder (RBD) variates in the early stage of Parkinson's
disease. We aimed to delineate the association between the evolution pattern of probable …

Objective Cognitive impairment is prevalent among individuals with Parkinson's disease
(PD). Effort has been made to identify individuals at risk for cognitive decline and dementia …

Background The course of impulse control disorders (ICD) varies in the early stage of
Parkinson's disease (PD). Aim We aimed to delineate the association between the evolution …