Abstract
The struggle between the parties bent on inflating humanity's self-conception and those bent on deflating it continues. Mind, consciousness, soul, reason, free will, language, culture, tool-useāall have been invoked as the unique character of the human, some deriving from Judeo-Christian religion, others from classical philosophy and modern anthropology. Opponents, sometimes motivated by ethical concerns about the treatment of animals, and buoyed by scientific advances in animal and especially primate studies, have either deconstructed these traits or ascribed them to nonhumans. Seeking to block human exploitation of nonhuman species, they argue that humans are not "exceptional" and possess no "cognitive module" ..