Authors: Hulme JB, Bain B, Hardin M, McKinnon A, Waldron D
Title: The influence of adaptive seating devices on vocalization
Source: Journal of Communication Disorders 1989 22(2): 137-145
Year: 1989
Research Design: Single Case Design

This study examined the relationship between receipt of adaptive seating devices (ASD) and sophistication of early vocalizations/verbalizations. Eight nonverbal children with cerebral palsy were studied prior to and following receipt of an ASD. Total speech tokens increased for 7 of the 8 subjects and diversity of speech sounds increased for 6 subjects. A concomitant improvement in feeding independence was observed for those subjects who demonstrated the greatest increase in speech sound diversity.

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