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Publication Detail
Decision-making impairments in Parkinson's disease as a by-product of defective cost-benefit analysis and feedback processing.
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Ryterska A, Jahanshahi M, Osman M
  • Publication date:
  • Pagination:
    317, 327
  • Journal:
    Neurodegener Dis Manag
  • Volume:
  • Issue:
  • Status:
  • Country:
  • Language:
  • Keywords:
    Parkinson's disease, cost–benefit analysis, decision-making, feedback, valuation, Cognition Disorders, Decision Making, Feedback, Psychological, Humans, Neuropsychological Tests, Parkinson Disease, Risk-Taking
Studies examining decision-making in people with Parkinson's disease (PD) show impaired performance on a variety of tasks. However, there are also demonstrations that patients with PD can make optimal decisions just like healthy age-matched controls. We propose that the reason for these mixed findings is that PD does not produce a generalized impairment of decision-making, but rather affects sub-components of this process. In this review we evaluate this hypothesis by considering the empirical evidence examining decision-making in PD. We suggest that of the various stages of the decision-making process, the most affected in PD are (1) the cost-benefit analysis stage and (2) the outcome evaluation stage. We consider the implications of this proposal for research in this area.
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