Higher probability of prodromal Parkinson disease is related to lower cognitive performance

Bougea A, Maraki MI, Yannakoulia M, Stamelou M, Xiromerisiou G, Kosmidis MH, Ntanasi E, Dardiotis E, Hadjigeorgiou GM, Sakka P, Anastasiou CA, Stefanis L, Scarmeas N