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Open Access

Mood and personality interact to determine cognitive biases in pigs

Lucy Asher, Mary Friel, Kym Griffin, Lisa M. Collins
Published 16 November 2016.DOI: 10.1098/rsbl.2016.0402
Lucy Asher
Centre for Behaviour and Evolution, Institute of Neuroscience, University of Newcastle, Newcastle NE1 7RU, UK
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Mary Friel
School of Biological Sciences, Queen's University Belfast, Belfast BT7 9BL, UK
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Kym Griffin
School of Biological Sciences, Queen's University Belfast, Belfast BT7 9BL, UK
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Lisa M. Collins
School of Life Sciences, University of Lincoln, Lincoln LN6 7DL, UK
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  • For correspondence: lcollins@lincoln.ac.uk
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    Figure 1.

    Cognitive bias training and testing arena. N, negative unrewarded location; NN, near negative probe location; M, middle probe location; NP, near positive probe location; P, positive rewarded location.

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    Figure 2.

    (a–c) Latency to approach (standardized per individual) unrewarded probes (spatially positioned between locations that were previously rewarded and unrewarded) in a cognitive bias test in more proactive and reactive pigs. Higher standardized time ran scores indicate greater optimism. More proactive personalities were more likely to respond optimistically to unrewarded ambiguous probes. Reactive pigs' optimism/pessimism was affected by their housing conditions. (Online version in colour.)

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November 2016
Volume 12
, issue 11
Biology Letters: 12 (11)
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Keywords

mood
cognitive bias
personality
animal welfare
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Mood and personality interact to determine cognitive biases in pigs
Lucy Asher, Mary Friel, Kym Griffin, Lisa M. Collins
Biol. Lett. 2016 12 20160402; DOI: 10.1098/rsbl.2016.0402. Published 16 November 2016
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Mood and personality interact to determine cognitive biases in pigs

Lucy Asher, Mary Friel, Kym Griffin, Lisa M. Collins
Biol. Lett. 2016 12 20160402; DOI: 10.1098/rsbl.2016.0402. Published 16 November 2016

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