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  • Title: The neural basis of risky decision-making in a blackjack task.
    Author: Yang J, Li H, Zhang Y, Qiu J, Zhang Q.
    Journal: Neuroreport; 2007 Sep 17; 18(14):1507-10. PubMed ID: 17712284.
    Abstract:
    To investigate the neural substrates of risky decision making in gambling tasks, we recorded event-related potentials while participants engaged in a modified blackjack game. We focused on the high-conflict condition (probability of losing approximately 50%) and low-conflict condition (probability of losing approximately 20%). We were also interested in the difference between risky and conservative responses under high-conflict conditions. In the 220-320 and 500-600 ms time windows, high-conflict conditions elicited more negative event-related potential deflections than low-conflict conditions. In the latter time window, risky conditions elicited more negative event-related potential deflections than conservative conditions. The N2 (220-320 ms) and N500 (500-600 ms) provide evidence for the dissociation of neural circuits between perceptual and response conflicts.
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