  Or perhaps as dynamical cognitive scientists examine more explicitly cognitive phenomena, they will find themselves in need of tools associated with standard cognitive science. Spivey, a pioneer of dynamical systems approaches, is on friendly terms with the idea of representations. Dietrich and Markman (2001) have argued that even behavior like coordinated finger wagging depends on representation, although perhaps not a conception of representation as “thick” as one usually attributed to computationalism. Once again, it is evident that resolving some of the controversy surrounding the Replacement thesis hinges on the theory of representation that one adopts.