Gambling in rhesus macaques (Macaca mulatta): The effect of cues signaling risky choice outcomes.

ABSTRACT: Preference for a larger-variable "risky" option over a smaller-reliable "safe" option often depends upon the likelihood that the risky option will deliver a sufficiently sized reward to have an equivalent or superior expected value. However, preference for the risky option has been shown to increase under conditions where informative stimuli signaling the outcome of a risky choice is included between the choice and the outcome and this risk-prone preference persists even when the risky option has a lower expected value than the alternative safe option. In the present study, rhesus macaques chose between a risky option and a safe option across two experimental phases to determine whether the outcome signal affected the degree of preference for the risky option. Overall, six out of seven mac

SUBMITTER: Smith TR 

PROVIDER: S-EPMC5647206 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature