Impact of Speech Generating Device Interventions on Vocalizations of Individuals With Autism and Severe Communication Impairment: A Systematic Review of the Research
Education & Training in Autism & Developmental Disabilities
Yuan, W., Dunn, M., et al. (2024).
Education & Training in Autism & Developmental Disabilities, 59(3), 233-256.
<div>This systematic review investigates the effects of speech generating device (SGD) interventions on outcomes for individuals on the autism spectrum.</div>
National Institute on Disability, Independent Living, and Rehabilitation Research
From 1990 to 2023
<div>Experimental, quasi-experimental, and single-subject designs</div>
18
<div>Most participants across studies (87%), showed some degree of improvement in vocal utterances. These included increased vocalizations, improved expressive vocabulary, increased word approximations, increased spontaneous language, more new words spoken, and a greater number of turns taken in communication. No studies found a decrease in spoken language with SGD interventions.</div>
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<div>Limitations to this review include potential for bias as only one reviewer verified search results.</div>
