Catherine Driscoll

Geoffrey Miller argues that we can account for the evolution of human art and altruism via the action of sexual selection. He identifies five characteristics supposedly unique to sexual adaptations: fitness indicating cost; involvement in courtship; heritability; variability; and sexual differentiation. Miller claims that art and altruism possess these characteristics. I argue that not only does he not demonstrate that art and altruism possess these characteristics, one can also explain the origins of altruism via a form of group selection and traits with the five characteristics in terms of a process I call "cultural sexual selection.".