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Validity of the Mattis Dementia Rating Scale to detect mild cognitive impairment in Parkinson’s disease and REM sleep behavior disorder

Background/aims: Mild cognitive impairment (MCI) is frequent in Parkinson’s disease (PD) and idiopathic REM sleep behavior disorder (iRBD). However, only a few studies have evaluated the validity of brief cognitive measures to detect MCI in PD or iRBD using standard diagnostic criteria for MCI. Our aim was to evaluate the validity of the Mini-Mental State […]