Revista CEFAC
https://revistacefac.org.br/article/doi/10.1590/1982-0216/20232565823
Revista CEFAC
Original Articles

Pre-verbal and verbal pattern as predictors for the implementation of the Picture Exchange Communication System (PECS) in autistic children

Padrão pré-verbal e verbal como preditores para implementação do Picture Exchange Communication System - PECS em crianças autistas

Simoni Camilo; Fernanda Miranda da Cruz; Sheila C Caetano; Jacy Perissinoto; Ana Carina Tamanaha

http://dx.doi.org/10.1590/1982-0216/20232565823 Revista CEFAC, vol.25, n6, e5823, 2023
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Abstract

Purpose: to investigate the preverbal and verbal patterns in autism spectrum disorder, to more easily predict the need for implementation of the Picture Exchange Communication System in autistic children who are about to start speech language therapy.

Methods: a cross-sectional study with a sample consisted of 62 children aged 2 to 10 years, presented with autism spectrum disorder. The Vocal Behavior Assessment which analyzes the preverbal and verbal patterns through three parameters, that is, Mean Extension (mean verbal emission), Speech Characterization (number of atypical emissions) and Language Range (typical emissions of child development), was used. Sociodemographic data, intellectual quotient and non-adaptive behaviors were also analyzed, by using the logistic regression model.

Results: there was a high sensitivity (0.915) and specificity (0.867) for the variables Speech Characterization (p=0,000) and Mean Extension (p=0,001). The other numerical variables, such as age, time of schooling, non-adaptive behaviors and intellectual quotient of children were tested but were not identified as potential predictors for the outcome of interest of the study.

Conclusion: the indices of Speech Characterization and Mean Extension were identified as predictors for the indication of the Picture Exchange Communication System in children who are about to start speech language therapy.

Keywords

Autism Spectrum Disorder; Communication; Language; Communication Aids for Disabled; Speech, Language and Hearing Science

Resumo

Objetivo: investigar os padrões pré-verbal e verbal no Transtorno do Espectro Autista, com intuito de predizer mais facilmente a necessidade de implantação do Picture Exchange Communication System em crianças autistas que estejam prestes a iniciar a intervenção terapêutica fonoaudiológica. 

Métodos: trata-se de um estudo transversal. A amostra foi constituída por 62 crianças, de 2 a 10 anos, com Transtorno do Espectro Autista. Utilizou-se a Avaliação do Comportamento Vocal que analisa os padrões pré-verbal e verbal por meio de três parâmetros: Extensão Média (média de emissão verbal), Caracterização da Fala (quantidade de emissões atípicas) e Faixa da Linguagem (emissões típicas do desenvolvimento infantil). Foram analisados, também, dados sociodemográficos, quociente intelectual e comportamentos não-adaptativos. Utilizou-se modelo de regressão logística.

Resultados: houve alta sensibilidade (0,915) e especificidade (0,867) para as variáveis: Caracterização da Fala (p<0,001) e Extensão Média (p=0,001). As demais variáveis numéricas: idade, tempo de escolaridade, comportamentos não-adaptativos e quociente intelectual foram testadas, mas não foram identificadas como potenciais preditores para o desfecho de interesse do estudo. 

Conclusão: identificaram-se os índices de Caracterização da Fala e Extensão Média como preditores para indicação do Picture Exchange Communication System em crianças prestes a iniciar o processo de intervenção fonoaudiológica. 

Palavras-chave

Transtorno do Espectro Autista; Comunicação; Linguagem; Auxiliares de Comunicação para Pessoas com Deficiência; Fonoaudiologia

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Submitted date:
11/06/2023

Accepted date:
18/10/2023

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