Can concepts represent subtleties in emotions, bodily sensations, and perceptions? What is the nature of mental representations in nonlinguistic and prelinguistic creatures? The European Review of Philosophy, Volume 6 tackles issues such as these by asking how far the analogy between conceptual and nonconceptual content can be carried. By bringing together contributions from both conceptualists and nonconceptualists, this volume sheds new light on an issue sure to interest cognitive scientists and philosophers of mind.