New research finds that dogs "catch" an owner's yawn more often than someone else's, and researchers said the finding could be evidence of empathy and the nature of the bond between dogs and humans. Comparative psychologist Elainie Madsen of Lund University in Sweden thinks canine empathetic yawning reflects social group dynamics. "There are multiple hypotheses, but the empathy hypothesis is the one that has received most attention over the last few years. I think the evidence in support for it is accumulating," Madsen said.
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