Phonatory characteristics of parkinsonian speech before and after morning medication: the ON and OFF states.

@article{Goberman2002PhonatoryCO,
  title={Phonatory characteristics of parkinsonian speech before and after morning medication: the ON and OFF states.},
  author={Alexander M. Goberman and Carl A. Coelho and Michael P. Robb},
  journal={Journal of communication disorders},
  year={2002},
  volume={35 3},
  pages={217-39}
}
UNLABELLED After prolonged treatment with L-dopa, patients with Parkinson's disease (PD) experience fluctuations in motor performance. Changes in voice production have been documented perceptually during periods of fluctuation, but few quantitative changes have been found. The purpose of this study is to examine the acoustic-phonatory characteristics of PD speech before and after taking medication, to determine if fluctuations affected phonation. Nine PD patients participated in this study… CONTINUE READING