Dedicated research institutions investigating animal sentience are providing crucial scientific foundations for welfare policy, examining consciousness and pain experience across diverse species.
Sentience research is foundational to animal welfare because it determines which animals deserve moral consideration and protective legislation. For decades, assumptions that fish, invertebrates, and insects could not experience pain led to their exclusion from welfare frameworks. Emerging research is overturning these assumptions, with octopuses, crabs, and insects showing behavioral and physiological pain responses that meet criteria for sentience in some frameworks. The policy implications are enormous - invertebrate aquaculture and insect farming involve billions of animals and currently operate under minimal welfare requirements. Sentience research provides the scientific basis for expanding moral circles to include these neglected groups.