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How are researchers working to read animals’ emotions?

by looking for the facial expressions that humans exhibit in animals

by running blood tests and carefully monitoring their brain

by developing a code that deciphers changes in facial expressions

by developing ways for animals to express how they’re feeling vocally

User Minisha
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I would say by running blood tests and monitoring the brain as Jaak Pankesepp did a lot of research in this field by monitoring animal neurology and cognitive bias tests
User Agentcurry
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