Appiah explores how the new empirical moral psychology relates to philosophical ethics. He elaborates a vision of naturalism that resists both temptations and traces an intellectual genealogy of the burgeoning discipline of 'experimental philosophy'.
In the past few decades, scientists of human nature--including experimental and cognitive psychologists, neuroscientists, evolutionary theorists, and behavioral economists--have explored the way we arrive at moral judgments. They have called into question commonplaces about...