Rats are optimal in a choice task in which pigeons are not

@article{Trujano2015RatsAO,
  title={Rats are optimal in a choice task in which pigeons are not},
  author={R. Emmanuel Trujano and Vladimir Ordu{\~n}a},
  journal={Behavioural Processes},
  year={2015},
  volume={119},
  pages={22-27}
}
In an extensive list of studies, it has been found that pigeons prefer an alternative associated with discriminative stimuli over another associated with non-discriminative stimuli, even when the probability of reinforcement is higher in the latter. This behavior has been named "suboptimal choice". In the present experiment, we evaluated whether rats, another widely studied species within the Experimental Analysis of Behavior, also shows this behavior. We systematically replicated the procedure… CONTINUE READING
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