Nonmotor Symptoms and Cognitive Decline in de novo Parkinson's Disease.

@article{Kwon2014NonmotorSA,
  title={Nonmotor Symptoms and Cognitive Decline in de novo Parkinson's Disease.},
  author={Kyum Yil Kwon and Sung Hoon Kang and Minjik Kim and Hye Mi Lee and Ji Wan Jang and Ju Yeon Kim and Seon-Min Lee and S J Koh},
  journal={The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques},
  year={2014},
  volume={41 5},
  pages={597-602}
}
BACKGROUND Cognitive impairments are common in Parkinson's disease (PD). Despite its clinical importance, the development of dementia is still difficult to predict. In this study, we investigated the possible associations between non-motor symptoms and the risk of developing dementia within a 2-year observation period in PD. METHODS A total of 80 patients… CONTINUE READING