An investigation into the conceptual foundations of a new way of thinking about the mind that does not locate all cognition "in the head." There is a new way of thinking about the mind that does not locate mental processes exclusively "in the head." Some think that this expanded conception of the mind will be the basis of a new science of the mind. In this book, leading philosopher Mark Rowlands investigates the conceptual foundations of this new science of the mind. The new way of thinking about the mind emphasizes the ways in which mental processes are embodied (made up partly of extraneural bodily structures and processes), embedded (designed to function in tandem with the environment), enacted (constituted in part by action), and extended (located in the environment). The new way of thinking about the mind, Rowlands writes, is actually an old way of thinking that has taken on new form. Rowlands describes a conception of mind that had its clearest expression in phenomenology—in the work of Husserl, Heidegger, Sartre, and Merleau-Ponty. He builds on these views, clarifies and renders consistent the ideas of embodied, embedded, enacted, and extended mind, and develops a unified philosophical treatment of the novel conception of the mind that underlies the new science of the mind.

An argument that activity provides a useful template for thinking about representation and that deeds are themselves representational: our representing of the world consists, in part, in certain sorts of deeds that we perform in the world. In Body Language , Mark Rowlands argues that the problem of representation—how it is possible for one item to represent another—has been exacerbated by the assimilation of representation to the category of the word. That is, the problem is traditionally understood as one of relating inner to outer—relating an inner representing item to something extrinsic or exterior to it. Rowlands argues that at least some cases of representation need to be understood not in terms of the word but of the deed. Activity, he claims, is a useful template for thinking about representation; our representing the world consists, in part, in certain sorts of actions that we perform in that world. This is not to say simply that these forms of acting can facilitate representation but that they are themselves representational. These sorts of actions—which Rowlands calls deeds—do not merely express or re-present prior intentional states. They have an independent representational status. After introducing the notion of the deed as a "preintentional act," Rowlands argues that deeds can satisfy informational, teleological, combinatorial, misrepresentational, and decouplability constraints—and so qualify as representational. He puts these principles of representation into practice by examining the deeds involved in visual perception. Representing, Rowlands argues, is something we do in the world as much as in the head. Representing does not stop at the skin, at the border between the representing subject and the world; representing is representational "all the way out."