Effectiveness of Speech Therapy in Adults with Intellectual Disabilities

Background: This study investigated the effect of speech therapy in a heterogeneous group of adults with intellectual disability. Method: Thirty-six adults with mild and moderate intellectual disabilities (IQs 40-70; age 18-40 years) with reported poor speech intelligibility received tailored traini...

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Bibliographic Details
Published in:Journal of applied research in intellectual disabilities 2018-03, Vol.31 (2), p.236-248
Main Authors: Terband, Hayo, Coppens-Hofman, Marjolein C, Reffeltrath, Maaike, Maassen, Ben A. M
Format: Article
Language:English
Subjects:
Adolescent
Adult
Adults
Communication Skills
Female
Hearing Impairments
Hearing loss
Humans
Intellectual disabilities
Intellectual Disability - complications
Listening Skills
Male
Mild Intellectual Disability
Moderate Intellectual Disability
Motor ability
Receptive Language
Severity (of Disability)
Speech disorders
Speech Disorders - complications
Speech Disorders - therapy
Speech Intelligibility
Speech Therapy
Task Analysis
Treatment Outcome
Verbal Communication
Young Adult
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Summary:Background: This study investigated the effect of speech therapy in a heterogeneous group of adults with intellectual disability. Method: Thirty-six adults with mild and moderate intellectual disabilities (IQs 40-70; age 18-40 years) with reported poor speech intelligibility received tailored training in articulation and listening skills delivered in two 3-month periods. Pre- to post-changes in speech intelligibility and receptive vocabulary were assessed using standardized tasks. Results: The results showed a positive effect of treatment on speech intelligibility and receptive vocabulary, irrespective of severity of intellectual disability, hearing loss and intellectual disability aetiology. Conclusions: Speech therapy for people with intellectual disability can be effective at adult age and hearing loss should not prevent treatment. Continued attention to speech can help augment verbal communication skills in this population.
ISSN:1360-2322
1468-3148
DOI:10.1111/jar.12384