Avaliação do limiar sensorial para gosto doce no autismo infantil

Adriana da Silva Sena, Gesivaldo Santos, Caroline Silva dos Santos, Thalane Souza Santos, Gisele Bonfim Pereira, Thaciany Paula Marques Alves, Maria Patricia Milagres

Resumo


Objetivo: avaliar a sensibilidade gustativa ao doce de crianças com Transtorno do Espectro Autista. Método: trata-se de estudo quantitativo, descritivo e transversal, com crianças diagnosticadas e sem diagnóstico com Transtorno e familiares. Avaliou-se o grau de autismo por meio da Childhood Autism Rating Scale para selecionar crianças com nível de autismo compatível com a realização dos testes. Executou-se o teste de índice limiar de boca toda para o gosto doce com diferentes concentrações de sacarose em todos os grupos. Realizou-se o teste de preferência sensorial no grupo de crianças com TEA. Executaram-se as análises no Statistical Package for the Social Sciences. Resultados: observou-se que as crianças sem Transtorno apresentam limiar gustativo médio para o gosto doce de 0,96 g/L de sacarose, limiar inferior ao de crianças com TEA (5,42 g/L de sacarose); as mães e irmãos das crianças com Transtorno apresentaram limiar gustativo médio de 1,23 g/L e 1,35g/L de sacarose, respectivamente. Averiguou-se, no teste de preferência sensorial, que crianças com Transtorno preferem amostras com gostos mais doces. Conclusão: percebeu-se que crianças com Transtorno possuem alteração na sensibilidade gustativa para o doce, necessitando de maiores quantidades de sacarose para identificar este gosto. Descritores: Autismo Infantil; Percepção Gustativa; Limiar Sensorial; Doenças Crônicas; Sacarose; Comportamento Alimentar.

Abstract

Objective: to evaluate the sweet taste sensitivity of children with Autistic Spectrum Disorder. Method: this is a quantitative, descriptive and cross-sectional study with children diagnosed and undiagnosed with the disorder and their families. The degree of autism was assessed using the Childhood Autism Rating Scale to select children with level of autism compatible with the tests. The whole mouth threshold index test for sweet taste with different sucrose concentrations was performed in all groups. The sensory preference test was performed in the group of children with ASD. Analyzes were performed on the Statistical Package for the Social Sciences. Results: it was observed that children without Disorder presented an average sweet taste threshold of 0.96 g / L sucrose, lower threshold than children with ASD (5.42 g / L sucrose); mothers and siblings of children with the disorder had a mean taste threshold of 1.23 g / l and 1.35 g / l of sucrose, respectively. In the sensory preference test, children with disorder prefer samples with sweeter tastes. Conclusion: it was noticed that children with Disorder have alterations in taste sensitivity for sweets, requiring higher amounts of sucrose to identify this taste. Descriptors: Autistic Disorder; Taste Perception; Sensory Thresholds; Chronic Disease; Sucrose; Feeding Behavior.

Resumen

Objetivo: evaluar la sensibilidad al sabor dulce de los niños con Trastorno del Espectro Autista. Método: se trata de un estudio cuantitativo, descriptivo y transversal con niños diagnosticados y no diagnosticados con el Trastorno y sus familias. El grado de autismo se evaluó utilizando la Escala de Calificación de Autismo Infantil para seleccionar niños con un nivel de autismo compatible con las pruebas. La prueba de índice de umbral de boca completa para el sabor dulce con diferentes concentraciones de sacarosa se realizó en todos los grupos. La prueba de preferencia sensorial se realizó en el grupo de niños con TEA. Se realizaron análisis en el Paquete Estadístico para las Ciencias Sociales. Resultados: se observó que los niños sin Trastorno presentaron un umbral promedio de sabor dulce de 0.96 g/l de sacarosa, umbral más bajo que los niños con TEA (5.42 g/l de sacarosa); las madres y los hermanos de niños con el Trastorno tenían un umbral de sabor medio de 1,23 g/l y 1,35 g/l de sacarosa, respectivamente. En la prueba de preferencia sensorial, los niños con Trastorno prefieren muestras con sabores más dulces. Conclusión: se notó que los niños con Trastorno tienen alteraciones en la sensibilidad al sabor de los dulces, lo que requiere mayores cantidades de sacarosa para identificar este sabor. Descriptores: Trastorno Autístico; Percepción del Gusto; Umbral Sensorial; Enfermedad Crónica; Sacarosa; Conducta Alimentaria.


Palavras-chave


Autismo Infantil; Percepção Gustativa; Limiar Sensorial; Doenças Crônicas; Sacarose; Comportamento Alimentar.

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DOI: https://doi.org/10.5205/1981-8963.2019.239959



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