Question

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

Answer 1

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