@article{machado_reppold_2015,  title={The effect of deep brain stimulation on motor and cognitive symptoms of Parkinson's disease: A literature review},  volume={9},  ISSN={1980-5764},  url={https://doi.org/10.1590/S1980-57642015DN91000005},  DOI={10.1590/S1980-57642015DN91000005},  number={1},  journal={Dementia & Neuropsychologia},  publisher={Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento},  author={Machado, Flavia Amaral and Reppold, Caroline Tozzi},  year={2015},  month={Jan},  pages={24–31} }