Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Comparison of Picture Exchange Communication System (PECS) and Speech- Generating Device as Communication Modes for Children with Autism Spectrum Disorders

Version 1 : Received: 22 June 2023 / Approved: 5 July 2023 / Online: 5 July 2023 (15:38:56 CEST)

How to cite: Simeoli, R.; Iovino, L.; Marocco, D.; Guglielmino, G.; Rega, A. A Comparison of Picture Exchange Communication System (PECS) and Speech- Generating Device as Communication Modes for Children with Autism Spectrum Disorders. Preprints 2023, 2023070347. https://doi.org/10.20944/preprints202307.0347.v1 Simeoli, R.; Iovino, L.; Marocco, D.; Guglielmino, G.; Rega, A. A Comparison of Picture Exchange Communication System (PECS) and Speech- Generating Device as Communication Modes for Children with Autism Spectrum Disorders. Preprints 2023, 2023070347. https://doi.org/10.20944/preprints202307.0347.v1

Abstract

Previous research on the relative benefits of Augmentative and Alternative Communication Systems (AACs) has indicated controversial results regarding the effectiveness, the ease of use, and the preference for the different systems. The study aims to observe the comparative effectiveness of two different Augmentative and Alternative Communication (AAC) tools, the Picture Exchange Communication System (PECS) and a speech-generating device (SGD), as communication aids for children with autism. Three children with severe autism and minimally verbally or with no functional language participated. The results showed an increase of communicative behavior with both AAC intervention strategies and a speed acquisition time slightly shorter for the SGD training. Two of the three participants showed a preference for the use of the SGD. Reduction in problem behaviors and improvement in vocal production was observed for one of the participants. Results suggest that PECS and SGD are similarly appropriate for the development of initial request skills and that they can encourage vocal production in students with specific prerequisites.

Keywords

Augmentative and Alternative Communication; Autism; Picture Exchange Communication; Speech Generating Device; Vocal production; Problem behavior; Communicative behavior

Subject

Social Sciences, Psychology

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