Dogs can tell fear from sadness — and scientists saw it in their brains
Dogs may understand our emotions more deeply than scientists realized. Brain scans show that happy human faces activate regions in dogs linked to higher-level processing and reward, suggesting that smiles carry special emotional significance for them.
Dogs possess a remarkable ability to discern human emotions, including fear and sadness, according to recent research published in the Cell Press journal iScience. Scientists from the University of Vienna and other institutions investigated the brain activity of dogs while they viewed pictures of unfamiliar people displaying various human facial expressions, including happiness, anger, fear, and sadness.
The findings reveal that smiles activate specific regions in the canine brain, while dogs can differentiate between several negative expressions with distinct neural responses. This suggests that dogs have developed unique brain adaptations to support their exceptional social and emotional understanding of humans. The research highlights the importance of considering dogs as emotional beings with the capacity to understand and cooperate with humans, potentially transforming how we communicate with and care for them.
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