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Long-latency auditory evoked potential in children with stuttering / Potenciais evocados auditivos de longa latência em crianças com gagueira
Jerônimo, Gislaine Machado; Scherer, Ana Paula Rigatti; Sleifer, Pricila.
  • Jerônimo, Gislaine Machado; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Scherer, Ana Paula Rigatti; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Sleifer, Pricila; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
Einstein (Säo Paulo) ; 18: eAO5225, 2020. tab
Article in English | LILACS | ID: biblio-1133730
ABSTRACT
ABSTRACT Objective To analyze the latency and the amplitude values of Mismatch Negativity and P300 cognitive potential in children with stuttering, with no auditory complaints, with auditory thresholds within the normality range, comparing them to the findings of a Control Group. Methods A cross-sectional study involving 50 children of both sexes, 15 with stuttering and 35 without stuttering, aged 6 to 11 years, with no diagnosis of ear pathology or other diseases. All children were submitted to peripheral audiological evaluation (meatoscopy, pure tone testing, speech audiometry, and acoustic immittance measures) and a central audiological evaluation (investigation of the Mismatch Negativity and P300 cognitive potential). For the evaluation of fluency, all children with stuttering had a specific history taken and were video recorded in a spontaneous speech. Afterwards, the transcription was done, followed by speech analysis to classify children according the severity of stuttering. Results There was a significant difference in the latencies of Mismatch Negativity and P300 cognitive potential, as well as in the amplitude of Mismatch Negativity. Conclusion There was a significant delay in the latencies of Mismatch Negativity and P300 cognitive potential, as well as increase in the amplitude of the Mismatch Negativity in children with stuttering when compared to children in the Control Group. Changes in the morphology of the waves were found in the Stuttering Group.
RESUMO
RESUMO Objetivo Analisar os valores de latência e amplitude do Mismatch Negativity e potencial cognitivo P300 em crianças com gagueira, sem queixas auditivas, com limiares auditivos dentro dos padrões de normalidade, comparando aos achados de um Grupo Controle. Métodos Estudo transversal, do qual participaram 50 crianças de ambos os sexos, sendo 15 com gagueira e 35 sem gagueira, entre 6 e 11 anos de idade, sem diagnóstico de patologias otológicas ou outras doenças. Todas as crianças realizaram avaliação audiológica periférica (meatoscopia, audiometria tonal, audiometria vocal e medidas de imitância acústica) e avaliação audiológica central (Mismatch Negativity e potencial cognitivo P300). Para avaliação da fluência, as crianças com gagueira realizaram anamnese específica, seguida da filmagem de uma fala espontânea, que foi transcrita e analisada quanto à severidade da gagueira. Resultados Houve diferença significativa nas latências do Mismatch Negativity e do potencial cognitivo P300, assim como na amplitude do Mismatch Negativity. Conclusão Verificou-se atraso nas latências do Mismatch Negativity e potencial cognitivo P300 nas crianças com gagueira, assim como aumento na amplitude do Mismatch Negativity, ao serem comparados com crianças do Grupo Controle. No Grupo com Gagueira foram igualmente identificadas alterações na morfologia das ondas.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Auditory Perception / Auditory Threshold / Stuttering / Evoked Potentials, Auditory Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Child / Female / Humans / Male Language: English Journal: Einstein (Säo Paulo) Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio Grande do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Auditory Perception / Auditory Threshold / Stuttering / Evoked Potentials, Auditory Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Child / Female / Humans / Male Language: English Journal: Einstein (Säo Paulo) Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio Grande do Sul/BR