Course of psychiatric symptoms and global cognition in early Parkinson disease.

@article{Riva2014CourseOP,
  title={Course of psychiatric symptoms and global cognition in early Parkinson disease.},
  author={Patricia de la Riva and Kara M. Smith and Sharon X Xie and Daniel J. Weintraub},
  journal={Neurology},
  year={2014},
  volume={83 12},
  pages={1096-103}
}
OBJECTIVE To evaluate the course and predictors of neuropsychiatric symptoms (NPS) and cognition in patients with de novo Parkinson disease (PD). METHODS Cross-sectional study of the cohort of de novo, untreated (at enrollment) patients with PD and healthy controls (HCs) from the Parkinson's Progression Markers Initiative. Participants have serial assessments of global cognition and symptoms of depression, anxiety, psychosis, impulse control disorders (ICDs), sleep and wakefulness, apathy… CONTINUE READING