Dogs can distinguish between fearful and angry or sad human faces, brain scans suggest
Summary
Researchers used brain scans to find that dogs can tell the difference between various unhappy human faces, such as fearful and angry. The study showed dogs’ brains react differently to happy, neutral, and different negative emotional expressions.Key Facts
- Dogs’ brains can distinguish happy faces from neutral faces.
- Dogs’ brains can tell apart fearful faces from angry or sad faces but have a harder time distinguishing angry from sad faces.
- The study used MRI scans of dogs that were trained to stay still while awake.
- Different brain areas showed activity linked to processing emotions and rewards when dogs saw happy faces.
- The study included two experiments with 8 and then 12 pet dogs, mostly border collies.
- Researchers used machine learning to analyze brain activity patterns.
- Dogs might need extra cues like body language to fully understand some human emotions.
- The research had limits, including small sample size and only healthy dogs without behavioral problems.
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