Figure 10: In this Matrix, the yellow shows this learner’s use of body based communication (unaided, including live voice scanning) with familiar partners to include the ability to convey new information through yes/no questioning. The green shows how using the Tobii further enhanced his ability to begin to communicate more completely, at a distance, and with unfamiliar partners. This image is reprinted with permission and is a representation of the printed version of the Communication Matrix (Rowland, 2004).