REM-uyku davranış bozukluğunda bilişsel bozukluk ve Parkinson hastalığı riski taşıyan bireyler.

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BackgroundMild cognitive impairment (MCI) is commonly present at the time of Parkinson's Disease (PD) diagnosis, but its prevalence amongst individuals at increased risk of PD is unclear.MethodsCognition was assessed using the Montreal Cognitive Assessment (MoCA) in 208 participants in the PREDICT-PD study, and 25 participants with REM-sleep behaviour disorder (RBD). Prevalence of MCI level I was determined in all participants, and level II MCI in the RBD sub-group.ResultsTotal MoCA scores were worse in the higher risk than the lower risk group defined as those below the 15th percentile of risk (p = 0.009), and in the RBD group compared to all healthy participants (p ConclusionsCognitive impairment is increased in different groups at higher risk of PD, particularly in the subgroup formally diagnosed with RBD.

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