ORIGINAL RESEARCH article
Front. Psychol.
Sec. Neuropsychology
Volume 16 - 2025 | doi: 10.3389/fpsyg.2025.1565222
Fono Sense: a technological resource for recording the auditory N400 component
Provisionally accepted
Ana Luiza de Faria Luiz*
Isabela Tiezi Rombola
YARA ALCÂNTARA
Simone Aparecida Capellini*Ana Claudia Figueiredo Frizzo*- Faculty of Philosophy and Sciences, São Paulo State University, Marília, Brazil
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This study aimed to develop a tool for phonological auditory electrophysiological assessment, focusing on the N400 component of Event-Related Potentials in adults and children with and without dyslexia.The cross-sectional analytical research, approved by the ethics committee (protocol nº 4.565.753), included 25 participants divided into three groups: 10 children with dyslexia (EG), 5 children without dyslexia (CG-s), and 10 adults without learning disorders CG-a). The study was conducted in two phases. The first phase involved developing a mobile application with Congruent and Incongruent phonological tasks using words and non-words to assess reading, letter-sound relationships, syntacticsemantic integration, and lexical memory. In the second phase, participants performed auditorylinguistic tasks with acoustic stimuli (/ba/ and /da/), combined with the app tasks, while the N400 potential was recorded using the Biologic's Evoked Potential System (EP) with binaural stimulation in an oddball paradigm. The results showed a significant difference in latency between EG and CG-a for the incongruent task, with EG displaying delayed latency. Only CG-a exhibited a significant latency reduction in the incongruent task. No significant differences in amplitude were observed between groups or factors. In conclusion, the application effectively elicited the N400 potential in all groups, demonstrating shorter latencies in adults compared to children, both with and without dyslexia.
Keywords: Dyslexia, event-related potential, N400, Leitura, Potenciais evocados auditivos
Received: 22 Jan 2025; Accepted: 16 May 2025.
Copyright: © 2025 de Faria Luiz, Tiezi Rombola, ALCÂNTARA, Capellini and Figueiredo Frizzo. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Ana Luiza de Faria Luiz, Faculty of Philosophy and Sciences, São Paulo State University, Marília, Brazil
Simone Aparecida Capellini, Faculty of Philosophy and Sciences, São Paulo State University, Marília, Brazil
Ana Claudia Figueiredo Frizzo, Faculty of Philosophy and Sciences, São Paulo State University, Marília, Brazil
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