Mama's Last Hug: Animal Emotions and What They Tell Us about Ourselves

by Frans de Waal

But this is a highly unreasonable position given how similarly the emotions manifest themselves in animal and human bodies and how alike all mammalian brains are down to the details of neurotransmitters, neural organization, blood supply, and so on. It would be like saying that both horses and humans seem to get thirsty on a hot day, but in horses we should call it “water need” because it is unclear that they feel anything.