Researchers found domestication has limited dogs' ability to communicate through facial expressions, causing confusion between positive and negative emotional states, posing risks in dog-human interactions.
The study revealed selective breeding has altered facial structures in dogs, hindering their range of expressions compared to wolves. Dogs with specific features were often misinterpreted in emotional states.
The authors suggest that domestic dogs might compensate for limited facial expressions by vocalizing more during social interactions, aiding in communication with humans.
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