Risk and learning in impulsive and nonimpulsive patients with Parkinson's disease.

@article{Djamshidian2010RiskAL,
  title={Risk and learning in impulsive and nonimpulsive patients with Parkinson's disease.},
  author={Atbin Djamshidian and Ashwani Jha and Sean Stephen O'Sullivan and Laura Silveira-Moriyama and Clare Jacobson and Peter Brown and Andrew Lees and Bruno B. Averbeck},
  journal={Movement disorders : official journal of the Movement Disorder Society},
  year={2010},
  volume={25 13},
  pages={2203-10}
}
Relatively little is known about the interaction between behavioral changes, medication, and cognitive function in Parkinson's disease (PD). We examined working memory, learning and risk aversion in PD patients with and without impulsive or compulsive behavior (ICB) and compared the results with those in a group of age-matched control subjects. Parkinson patients with PD+ICB had poorer working memory performance than either controls or PD patients without ICB. PD+ICB patients also showed… CONTINUE READING

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