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  • Title: Do individual differences in Iowa Gambling Task performance predict adaptive decision making for risky gains and losses?
    Author: Weller JA, Levin IP, Bechara A.
    Journal: J Clin Exp Neuropsychol; 2010 Feb; 32(2):141-50. PubMed ID: 19484643.
    Abstract:
    We relate performance on the Iowa Gambling Task (IGT), a widely used, but complex, neuropsychological task of executive function in which mixed outcomes (gains and losses) are experienced together, to performance on a relatively simpler descriptive task, the Cups task, which isolates adaptive decision making for achieving gains and avoiding losses. We found that poor IGT performance was associated with suboptimal decision making on Cups, especially for risky losses, suggesting that losses are weighted more than gains in the IGT. These findings were significant beyond several notable gender differences in which men outperformed women. Implications for the neuropsychological study of risk are discussed.
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