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Siniscalchi, M.; Lusito, R.; Vallortigara, G.; Quaranta, A. |
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Title |
Seeing Left- or Right-Asymmetric Tail Wagging Produces Different Emotional Responses in Dogs |
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2013 |
Publication |
Current Biology |
Abbreviated Journal |
Curr Biol |
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23 |
Issue |
22 |
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Abstract |
Summary Left-right asymmetries in behavior associated with asymmetries in the brain are widespread in the animal kingdom [1], and the hypothesis has been put forward that they may be linked to animals’ social behavior [2, 3]. Dogs show asymmetric tail-wagging responses to different emotive stimuli [4]—the outcome of different activation of left and right brain structures controlling tail movements to the right and left side of the body. A crucial question, however, is whether or not dogs detect this asymmetry. Here we report that dogs looking at moving video images of conspecifics exhibiting prevalent left- or right-asymmetric tail wagging showed higher cardiac activity and higher scores of anxious behavior when observing left- rather than right-biased tail wagging. The finding that dogs are sensitive to the asymmetric tail expressions of other dogs supports the hypothesis of a link between brain asymmetry and social behavior and may prove useful to canine animal welfare theory and practice. |
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0960-9822 |
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Equine Behaviour @ team @ |
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5734 |
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Author |
Siniscalchi, M.; Padalino, B.; Lusito, R.; Quaranta, A. |
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Title |
Is the left forelimb preference indicative of a stressful situation in horses? |
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Journal Article |
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Year |
2014 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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Volume |
107 |
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61-67 |
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Keywords |
Animal welfare; Ethology; Horse; Limb preference; Physiology |
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Abstract Evidence for behavioural and brain lateralisation is now widespread among the animal kingdom; lateralisation of limb use (pawedness) occurs in several mammals including both feral and domestic horses. We investigated limb preferences in 14 Quarter Horse during different motor tasks (walking, stepping on and off a step, truck loading and unloading). Population lateralisation was observed in two tasks: horses preferentially used their left forelimb during truck loading and stepping off a step. The results also revealed that horses showed higher scores for anxious behaviours during truck loading suggesting that the use of the left forelimb in this task may reflect the main role of the right hemisphere in control of behaviour during stressful situation. |
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0376-6357 |
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Equine Behaviour @ team @ |
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6041 |
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