The placebo treatments in neurosciences

@article{Diederich2008ThePT,
  title={The placebo treatments in neurosciences},
  author={N. Diederich and C. Goetz},
  journal={Neurology},
  year={2008},
  volume={71},
  pages={677 - 684}
}
Placebo (PL) treatment is a method utilized as a control condition in clinical trials. A positive placebo response is seen in up to 50% of patients with Parkinson disease (PD), pain syndromes, and depression. The response is more pronounced with invasive procedures or advanced disease. Physiologic and biochemical changes have been studied in an effort to understand the mechanisms underlying placebo-related clinical improvement. In PD, objective clinical improvements in parkinsonism correlate… Expand
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