Cognition in non-demented Parkinson's disease vs essential tremor: A population-based study.
Alvaro Sánchez-FerroJ Benito-LeónE D LouisI ContadorJ Hernández-GallegoV Puertas-MartínF Bermejo-ParejaPublished in: Acta neurologica Scandinavica (2017)
This large population-based study demonstrates that both conditions influence cognitive performance, that a continuum exists from normal controls to ET to PD (most severe), and that although deficits are in many of the same cognitive domains, the affected cognitive domains do not overlap completely.