
Figure 1
A. Square perceives his world as two-dimensional. (Reprinted by permission of the publisher).

Figure 2
Framework for understanding technologies of the extended mind. Note that the dividing line between Controlled and Automatic Processes reflects the level of conscious awareness of the user. The X-System is nonconscious and autonomous. Whereas C-System 1 (and to some extent C-System 2) are largely conscious processes that require greater effort and attention.
