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- Title
Auditory contagious yawning in domestic dogs ( Canis familiaris): first evidence for social modulation.
- Authors
Silva, Karine; Bessa, Joana; de Sousa, Liliana
- Abstract
Dogs' capacity to 'catch' human yawns has recently attracted the attention of researchers in the field of animal cognition. Following recent studies suggesting that contagion yawning in humans, and some other primates, is empathy-related, some authors have considered the possibility that the same mechanism may underlie contagious yawning in dogs. To date, however, no positive evidence has been found, and more parsimonious hypotheses have been put forward. The present study explored the 'contagion-only' hypothesis by testing whether the mere sound of a human yawn can be sufficient to elicit yawning in dogs, in a way that is unaffected by social-emotional factors. Unexpectedly, results showed an interesting interplay between contagion and social effects. Not only were dogs found to catch human yawns, but they were also found to yawn more at familiar than unfamiliar yawns. Although not allowing for conclusive inferences about the mechanisms underlying contagious yawning in dogs, this study provides first data that renders plausible empathy-based, emotionally connected, contagious yawning in these animals.
- Subjects
DOGS -- Social aspects; DOMESTIC animals; YAWNING; ANIMAL cognition; ANIMAL intelligence; ANIMAL behavior; ANIMAL psychology
- Publication
Animal Cognition, 2012, Vol 15, Issue 4, p721
- ISSN
1435-9448
- Publication type
Article
- DOI
10.1007/s10071-012-0473-2