Cognitive influences on risk-seeking by rhesus macaques.

  title={Cognitive influences on risk-seeking by rhesus macaques.},
  author={Benjamin Y. Hayden and Sarah R Heilbronner and Amrita C. Nair and Michael L. Platt},
  journal={Judgment and decision making},
  volume={3 5},
Humans and other animals are idiosyncratically sensitive to risk, either preferring or avoiding options having the same value but differing in uncertainty. Many explanations for risk sensitivity rely on the non-linear shape of a hypothesized utility curve. Because such models do not place any importance on uncertainty per se, utility curve-based accounts predict indifference between risky and riskless options that offer the same distribution of rewards. Here we show that monkeys strongly prefer… CONTINUE READING