BBC News·3 min read·easy
We should smile at our dogs - a new scientific study reveals why
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✦AI Summary
A scientific study from the University of Vienna indicates that dogs possess a specific brain response to human smiles, associating them with positive rewards. Researchers found that while dogs can distinguish happy faces from other expressions, they do not differentiate between various negative emotions.
Image source, Laura Cuaya Image caption, Kun-kun, a very good dog, sits patiently in the brain scanner
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