Late Auditory Evoked Potentials in Individuals with Tinnitus

Overview

Journal Braz J Otorhinolaryngol

Specialty Otorhinolaryngology

Date 2010 Jun 16

PMID 20549090

Citations 17

Authors

Valdete Alves Valentins Dos Santos Filha

Carla Gentile Matas

Affiliations

Soon will be listed here.

Abstract

Unlabelled: Long latency auditory evoked potentials (LLAEP) alterations in individuals with tinnitus are suggestive of dysfunction in the central auditory pathways at a cortical level.

Aim: To characterize the LLAEP in individuals with and without tinnitus exposed to occupational noise.

Method: Cross-sectional contemporary cohort, prospective study. Sixty subjects exposed to occupational noise, ranging in age from 29 to 50 years underwent LLAEP assessment; 30 of them had tinnitus complaint and 30 did not have tinnitus.

Results: We observed significant statistical difference regarding the mean values of latencies of waves N1 (p<0.001), P2 (p=0.002) and P300 (p=0.039) when we compared individuals with and without tinnitus. In individuals with tinnitus we also noticed a greater number of altered results concerning components N1 (60%) and P2 (66.7%), although only component P2 presented significant statistical difference (p=0.010). For the LLAEP, the latency increase was the only type of alteration found (p=1.000). We found a greater association between bilateral tinnitus and bilateral alteration for all components N1(73%), P2(73%) and P300(50%).

Conclusion: It is relevant to study LLAEP in individuals with tinnitus exposed to high occupational sound pressure levels.

Citing Articles

Auditory cortical functioning in individuals with misophonia: an electrophysiological investigation.

Aryal S, Prabhu P Eur Arch Otorhinolaryngol. 2023; 281(5):2259-2273.

PMID: 37910210 DOI: 10.1007/s00405-023-08318-w.

Comparative analysis of acoustic therapies for tinnitus treatment based on auditory event-related potentials.

Alonso-Valerdi L, Ibarra-Zarate D, Torres-Torres A, Zolezzi D, Naal-Ruiz N, Arguello-Garcia J Front Neurosci. 2023; 17:1059096.

PMID: 37081936 PMC: 10111057. DOI: 10.3389/fnins.2023.1059096.

Cortical Reorganization Following Psychoeducational Counselling and Residual Inhibition Therapy (RIT) in Individuals with Tinnitus.

Vasudevan H, Palaniswamy H, Balakrishnan R, Rajashekhar B Int Arch Otorhinolaryngol. 2022; 26(4):e701-e711.

PMID: 36405488 PMC: 9668419. DOI: 10.1055/s-0042-1743287.

Changes in late-latency auditory evoked potentials after tinnitus suppression using auditory stimulation.

Ranjbar N, Shahbazi A, Namvar Arefi H, Zade N, Nazari M, Jafarzad S Braz J Otorhinolaryngol. 2022; 88 Suppl 3:S130-S138.

PMID: 36335029 PMC: 9761106. DOI: 10.1016/j.bjorl.2022.09.005.

Objective Detection of Tinnitus Based on Electrophysiology.

Fan S, Li S Brain Sci. 2022; 12(8).

PMID: 36009149 PMC: 9406100. DOI: 10.3390/brainsci12081086.

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