A proposed augmentative and alternative communication model

Lyle Lloyd Professor of Special Education and Professor of Audiology and Speech Sciences, Purdue University, SCC-E, West Lafayette, IN 47907, USA (L.L.L.), Professor of Communication Disorders, School of Education 410, Indiana State University, Terre Haute, IN 47809, USA (R. W.Q.), and Doctoral Student, Audiology and Speech Sciences, Purdue University, Heavilon Hall, West Lafayette, IN 47907, USA (J. W.)

Raymond Quist Professor of Special Education and Professor of Audiology and Speech Sciences, Purdue University, SCC-E, West Lafayette, IN 47907, USA (L.L.L.), Professor of Communication Disorders, School of Education 410, Indiana State University, Terre Haute, IN 47809, USA (R. W.Q.), and Doctoral Student, Audiology and Speech Sciences, Purdue University, Heavilon Hall, West Lafayette, IN 47907, USA (J. W.)

Jennifer Windsor Professor of Special Education and Professor of Audiology and Speech Sciences, Purdue University, SCC-E, West Lafayette, IN 47907, USA (L.L.L.), Professor of Communication Disorders, School of Education 410, Indiana State University, Terre Haute, IN 47809, USA (R. W.Q.), and Doctoral Student, Audiology and Speech Sciences, Purdue University, Heavilon Hall, West Lafayette, IN 47907, USA (J. W.)

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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A proposed augmentative and alternative communication model

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A proposed augmentative and alternative communication model

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