Simultaneously evoked primary and cognitive visual evoked potentials distinguish younger and older patients with Parkinson's disease

Do visual-evoked potentials and spatiote

Do visual-evoked potentials and spatiotemporal contrast sensitivity help to distinguish idiopathic Parkinson's disease and multiple system atrophy?

✍ I. Delalande; Jc. Hache; G. Forzy; M. Bughin; J. Benhadjali; A. Destée 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 572 KB

## Abstract A large number of patients with Parkinson's disease were reported to have abnormal visual‐evoked potentials (VEPs) and spatiotemporal contrast sensitivity (STCS) suggesting dopaminergic deficiency in the visual pathway, probably the retina. Until now, VEPs and STCS have not been studied