Understanding the Pattern of Cognitive Decline in GBA1-Related Parkinson's Disease: An Exploratory Longitudinal Multi-Cohort Study.
OBJECTIVE People with Parkinson's disease (PD) who carry a pathogenic GBA1 variant (PDGBA1) are at higher risk of cognitive impairment than those without the variant (PDGBA1_wildtype). To date, little is known about the pattern and evolution of cognitive decline in PDGBA1. This multicenter study characterized the cogni...