The effectiveness of aided augmented input techniques for persons with developmental disabilities: a systematic review

When working with individuals with little or no functional speech, clinicians often recommend that communication partners use the client's augmentative and alternative communication (AAC) device when speaking to the client. This is broadly known as "augmented input" and is thought to...

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Bibliographic Details
Published in:Augmentative and alternative communication 2017-09, Vol.33 (3), p.149-159
Main Authors: Allen, Anna A., Schlosser, Ralf W., Brock, Kristofer L., Shane, Howard C.
Format: Article
Language:English
Subjects:
Apraxia
Apraxias - rehabilitation
Augmentative and alternative communication
augmented input
Communication
Communication Aids for Disabled
Comprehension
Developmental disabilities
Developmental Disabilities - rehabilitation
effectiveness
Humans
Language Development
Medical personnel
Systematic review
Terminology
Treatment Outcome
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Summary:When working with individuals with little or no functional speech, clinicians often recommend that communication partners use the client's augmentative and alternative communication (AAC) device when speaking to the client. This is broadly known as "augmented input" and is thought to enhance the client's learning of language form and content. The purpose of this systematic review was to determine the effects of augmented input on communication outcomes in persons with developmental disabilities and persons with childhood apraxia of speech who use aided AAC. Nineteen studies met the inclusion criteria. Each included study was reviewed in terms of participant characteristics, terminology used, symbol format, augmented input characteristics, outcomes measured, effectiveness, and study quality. Results indicate that augmented input can improve single-word vocabulary skills and expression of multi-symbol utterances; however, comprehension beyond the single word level has not been explored. Additionally, it is difficult to form conclusions about the effect of augmented input on specific diagnostic populations. Directions for future research are posited.
ISSN:0743-4618
1477-3848
DOI:10.1080/07434618.2017.1338752