Abstract
Purpose: Identification of the most suitable Augmentative Alternative Communication (AAC) device for individuals with varying degrees of communication impairments is immensely challenging. This study aimed to understand the effectiveness of analysing the various sensory, cognitive and environmental factors during the selection of an AAC. Methods: Four children with different developmental disabilities were assessed in the domains of sensory ability, cognitive skills and environmental factors. The selection of an AAC was primarily dependent on the positive indicators in these domains and the specific challenges pertaining to each participant. Results: Participants’ progress was assessed. All the children progressed across the levels of the Communication Matrix. Conclusion: Understanding of sensory perceptual capacities and an attempt to overcome environmental barriers lead to the successful use of an AAC system. The study attempts to establish a platform for further research on the efficacy of utilising sensory perceptual learning with AAC to overcome communication barriers in children with severe developmental disabilities.
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