To understand who we are and why we are, we need to understand both modern humans and the ancestral stages that brought us to this point. The core to that story has been the role of evolving cognition--the social brain--in mediating the changes in behavior that we see in the archaeological record. This volume brings together two powerful approaches--the social brain hypothesis and the concept of the distributed mind, and compares perspectives on these two approaches from a range of disciplines, including archaeology, psychology, philosophy, sociology and the cognitive and evolutionary...