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- Title
Decision-making in Parkinson’s disease patients with and without pathological gambling.
- Authors
Rossi, M.; Gerschcovich, E. R.; de Achaval, D.; Perez-Lloret, S.; Cerquetti, D.; Cammarota, A.; Inés Nouzeilles, M.; Fahrer, R.; Merello, M.; Leiguarda, R.
- Abstract
Background and purpose: Pathological gambling (PG) in Parkinson’s disease (PD) is a frequent impulse control disorder associated mainly with dopamine replacement therapy. As impairments in decision-making were described independently in PG and PD, the objective of this study was to assess decision-making processes in PD patients with and without PG. Methods: Seven PD patients with PG and 13 age, sex, education and disease severity matched PD patients without gambling behavior were enrolled in the study. All patients were assessed with a comprehensive neuropsychiatric and cognitive evaluation, including tasks used to assess decision-making abilities under ambiguous or risky situations, like the Iowa Gambling Task (IGT), the Game of Dice Task and the Investment Task. Results: Compared to PD patients without gambling behavior, those with PG obtained poorer scores in the IGT and in a rating scale of social behavior, but not in other decision-making and cognitive tasks. Conclusions: Low performance in decision-making under ambiguity and abnormal social behavior distinguished PD patients with PG from those without this disorder. Dopamine replacement therapy may induce dysfunction of the ventromedial prefrontal cortex and amygdala-ventral striatum system, thus increasing the risk for developing PG.
- Subjects
DECISION making; PARKINSON'S disease; COMPULSIVE gambling; NEUROTRANSMITTERS; THERAPEUTICS
- Publication
European Journal of Neurology, 2010, Vol 17, Issue 1, p97
- ISSN
1351-5101
- Publication type
Article
- DOI
10.1111/j.1468-1331.2009.02792.x