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Research Article

A proposed augmentative and alternative communication model

, &
Pages 172-183 | Published online: 12 Jul 2009
 

Abstract

A rationale for the development of a communication model is discussed and a specific model for augmentative and alternative communication (AAC) is proposed. The model is explored in terms of features common to communication models and AAC features, such as alteration of feedback, interfacing with the environment, means of representation, selection, and transmission of a message, and increased potential for message distortion. The major parameters of the AAC model are: sender, message, transmitters, AAC transmission processes, AAC interface, internal feedback, transmission environment, communication environment, receiver, and external feedback. It is hoped that the proposed model will generate a new way of thinking about the field of AAC.

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