Communication Support through Multimodal Supplementation: A Scoping Review
AAC: Augmentative & Alternative Communication
Hanson, E. K., Beukelman, D. R., et al. (2013).
AAC: Augmentative & Alternative Communication, 29(4), 310-321.
This updated review investigates the effect of speech supplementation strategies (e.g., alphabet supplementation, topic supplementation, and gestural supplementation) on a variety of outcomes (e.g., intelligibility, decreased speech rate) in individuals with motor speech disorders.
Not stated
2004 Onward
Peer-reviewed, original studies (not further specified)
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Findings suggest that traditional supplementation strategies were beneficial to individuals with motor speech disorders. Studies using supplementation strategies "consistently reported positive outcomes, including increased intelligibility, decreased speech rate, and positive attitudes toward speakers" (p. 310).
