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CC BY-NC-ND 4.0 · Int Arch Otorhinolaryngol 2023; 27(02): e278-e285
DOI: 10.1055/s-0043-1768203
Original Research

Standardization of Latency and Amplitude Values of Short, Middle and Long Latency Auditory Evoked Potentials in Adults

Authors

  • Andressa Pelaquim 

    1   Health Sciences Center, State University of Londrina (UEL), Londrina, Brazil

  • Milaine Dominici Sanfins 

    2   Department of Audiology, Albert Einstein Instituto Israelita de Ensino e Pesquisa, São Paulo, Brazil

  • Marco Aurélio Fornazieri 

    3   Department of Clinical Surgery, State University of Londrina (UEL), Londrina, Brazil
    4   Department of Clinical Surgery, Pontifical Catholic University of Paraná, Londrina, Brazil
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Abstract

Introduction Auditory processing refers to the efficiency and effectiveness with which the central auditory nervous system uses auditory information. Middle- and long-latency auditory evoked potentials are objective electrophysiological tests that can complement the diagnosis of alterations involving central auditory processing.

Objective To standardize latency and amplitude values for short-, middle-, and long-latency auditory evoked potentials in adults with normal hearing thresholds.

Methods This is a cross-sectional study. Thirty-three adults with normal hearing thresholds, without hearing complaints, and with normal central auditory processing were evaluated. All underwent basic audiological evaluation, central auditory processing assessment, and short-, middle-, and long-latency auditory evoked potentials.

Results Absolute latency and interpeak values for middle- and long-latency auditory evoked potentials were lower than internationally suggested. However, for the brainstem auditory evoked potential, the means were within the range considered as normal, as suggested in the equipment.

Conclusion The present study provided measurements of normal latencies and amplitudes for short-, middle-, and long-latency auditory evoked potentials in adults.

Keywords

electrophysiology - hearing - adults - audiology

Supplementary Material



Publication History

Received: 01 September 2021

Accepted: 01 December 2021

Article published online:
28 April 2023

© 2023. Fundação Otorrinolaringologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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