The extended mind thesis (EMT) claims that the cognitive processes that make up the human mind can reach beyond the boundaries of individual to include as proper parts aspects of the individual's physical and sociocultural environment. Proponents of the extended mind story thus hold that even quite familiar human mental states (such as states of believing that so-and-so) can be realized, in part, by structures and processes located outside the human head. Such claims go far beyond the important, but less challenging, assertion that human cognizing leans heavily on various forms of external scaffolding and support. Instead, they paint mind itself (or better, the physical machinery that realizes some of our cognitive processes and mental stat...