… However, the mechanisms underlying cognitive decline in PD remain largely unclear. Cortical
… cognitive decline and identify patients at high risk for early and rapid cognitive impairment. …

… fCumulative prevalence assessed using modified level II diagnostic criteria to classify
Parkinson disease-associated MCI (1.5 SD below normative values) for cognitive tests. …

… deficits in various cognitive domains. This review highlights the essential neuroimaging data
and neuropathological changes in PD with cognitive impairment, … of cognitive impairment in …

… from normal cognition to cognitive impairment included male sex, higher Unified Parkinson's
Disease Rating Scale motor score, and lower (poorer) baseline cognitive scores. Although …

… This systematic review inspected twenty studies on ICNs in the Parkinson’s disease-associated
cognitive impairment continuum. In this framework, the focus is on the studies based on …

Purpose The aim of this study was to compare regional homogeneity (ReHo) changes in
Parkinson’s disease mild cognitive impairment (PD-MCI) patients with respect to normal …

… part of PD since its historical description by Charcot (1877) [10] shows a complex spectrum
ranging from subtle cognitive decline (SCD) and mild cognitive impairment (MCI) to fullblown …

… the cognitive impairments by using several neuropsychological tests, and investigated whether
impaired cognitive … symptom in advanced Parkinson disease associated with the disease …

… Cognitive impairment is common in Parkinson disease (PD), with long-… cognitive impairment
(MCI) progress to dementia within a short time. Impairments occur in a range of cognitive …

… Sixteen individuals with PDaMCI, 20 with amnestic mild cognitive impairment without PD (…
amnestic mild cognitive impairment associated to PD, episodic memory impairment is related …