An Augmentative Communication Interface Based on Conversational Schemata

Many people with severe speech and motor impairments make use of augmentative and alternative communication (AAC) systems. These systems can employ a variety of techniques to organize stored words, phrases, and sentences, and to make them available to the user. It is argued in this chapter that an AAC system should make better use of the regularities in an individual's conversational experiences and the expectations that the individual normally brings into a conversational context.

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