Potencial evocado auditivo cortical em indivíduos com gagueira: uma revisão de escopo
Cortical auditory evoked potentials in individuals who stutter: a scoping review
Maria Cecilia dos Santos Marques; Kelly Cristina Lira de Andrade; Edna Pereira Gomes de Morais; Pedro de Lemos Menezes
Resumo
Palavras-chave
Abstract
Purpose: To map and describe the findings regarding the performance of individuals who stutter on cortical auditory evoked potentials in the speech-language pathology clinical setting.
Research strategy: This scoping review was conducted according to the PRISMA-ScR guidelines and registered with the OSF (https://doi.org/10.17605/OSF. IO/KGHXV). The search was conducted in PubMed, LILACS, Embase, Cochrane Library, Web of Science, Science Direct, SpeechBITE, OpenGrey.eu, and DissOnline, with no language or period restrictions.
Selection criteria: Primary studies comparing cortical auditory evoked potentials between individuals with and without stuttering, with normal peripheral hearing, and without comorbidities were included.
Results: A total of 1,516 studies were identified. After exclusions and screening, seven articles were included. The total sample consisted of 151 adults (18 to 46 years) and 202 children and adolescents (4 to 18 years). The findings suggest that individuals who stutter, especially those with more severe symptoms, tend to have higher latencies and lower amplitudes in the P1-N1-P2-N2 components, especially in the right ear. More marked changes were observed in children, indicating greater sensitivity of cortical auditory evoked potentials in this age group.
Conclusion: The data suggest that cortical auditory evoked potentials may reflect alterations in central auditory processing in individuals who stutter, especially in the most severe cases.
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Referências
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Submetido em:
25/07/2025
Aceito em:
06/02/2026
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