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Creating a Path for Systematic Investigation of Children With Cortical Visual Impairment Who Use Augmentative and
Jamie B Boster1, John W McCarthy2, Kathryn Brown1
1Nationwide Children's Hospital, Columbus, OH.
American Journal of Speech-Language Pathology
|June 3, 2021
Summary
This study reviews augmentative and alternative communication (AAC) interventions for children with cortical visual impairment (CVI). Current research includes children incidentally, highlighting a need for more deliberate inclusion and better reporting of visual needs.
Area of Science:
- Augmentative and Alternative Communication (AAC)
- Cortical Visual Impairment (CVI)
- Pediatric Neuro-ophthalmology
Background:
- Limited evidence exists on supporting children with CVI who use AAC.
- Existing research often includes these children incidentally, not by design.
- This gap hinders targeted intervention and research advancement.
Purpose of the Study:
- To explore the available evidence on AAC interventions for children with CVI.
- To identify critical needs for future research and intervention in this population.
- To understand current practices and outcomes in AAC for CVI.
Main Methods:
- Systematic search of previous reviews, six databases, and theses/dissertations.
- Screening of 575 articles to identify 10 relevant studies.
- Analysis of included studies focusing on AAC interventions for children with CVI.
Main Results:
- Ten studies discussed AAC interventions for children with CVI.
- Interventions were primarily instructional (7) or technology-based (3).
- Textured microswitches were the most common technology, with switch activations the frequent outcome measure.
Conclusions:
- Children with CVI are included in AAC research, but their participation is often incidental.
- Lack of clear participant vision data may affect study findings.
- More deliberate inclusion and detailed reporting are needed for effective research and intervention.
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