Cognitive and Functional Trajectories in Older Adults With Prediagnostic Parkinson Disease.
Meredith A BockEric VittinghoffAmber L BahorikYue LengHoward FinkKristine YaffePublished in: Neurology (2022)
Individuals with incident PD exhibit cognitive and functional decline during the prediagnostic phase that exceeds rates associated with normal aging. Better understanding heterogeneity in prodromal PD is essential to enable earlier diagnosis and identify impactful nonmotor symptoms in all subgroups.