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Cued lottery task and monkey choice behavior. (a) A sequence of events in choice trials. Two pie charts representing the available options were presented to the monkeys on the left and right sides of the screen. Monkeys chose either target by fixating on the side where it appeared. (b) Payoff matrix. Each magnitude was fully crossed with each probability, resulting in a pool of 100 lotteries from which two were randomly allocated to the left-and right-side target options on each trial. Expected values (EVs) are calculated in mL. (c) The frequency with which the target on the right side was selected for the expected values of the left and right target options. Fig. 1a and c are published in Yamada et al., 2021.
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Research in the multidisciplinary field of neuroeconomics has been driven by two influential theories regarding human economic choice: prospect theory, which describes decision-making under risk, and reinforcement learning theory, which describes learning for decision-making. We hypothesized that these two distinct theories guide decision-making in...
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Research in the multidisciplinary field of neuroeconomics has mainly been driven by two influential theories regarding human economic choice: prospect theory, which describes decision-making under risk, and reinforcement learning theory, which describes learning for decision-making. We hypothesized that these two distinct theories guide decision-ma...