Bottlenose dolphins engaging in more social affiliative behaviour judge ambiguous cues more optimistically.

@article{Clegg2017BottlenoseDE,
  title={Bottlenose dolphins engaging in more social affiliative behaviour judge ambiguous cues more optimistically.},
  author={Isabella L K Clegg and Heiko G R{\"o}del and Fabienne Delfour},
  journal={Behavioural brain research},
  year={2017},
  volume={322 Pt A},
  pages={115-122}
}
Cognitive bias tests measure variation in emotional appraisal and are validated methods to assess animals' affective states. However, the link between social behaviours and cognitive bias has not yet been investigated. Bottlenose dolphins are a gregarious species for whom welfare research is increasing in importance, and thus are a good model to test such an association. We adapted a spatial location judgement bias test for eight captive bottlenose dolphins to investigate the link between… CONTINUE READING
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