McGowan, R. T. S., Rehn, T., Norling, Y. et al. 2014. Positive affect and learning: Exploring the “Eureka Effect” in dogs. Animal Cognition 17(3), 577–587.
Animals may experience positive affective states in response to their own achievements. We investigated emotional responses to problem-solving in dogs, separating these from reactions to rewards per se using a yoked control design. We also...