Original Research

Functional dysacusis: The utilization of EEG activity in the determination of hearing threshold level, a case report

I. Hay
South African Journal of Communication Disorders | Journal of the South African Speech and Hearing Association: Vol 20, No 1 | a410 | DOI: https://doi.org/10.4102/sajcd.v20i1.410 | © 2019 I. Hay | This work is licensed under CC Attribution 4.0
Submitted: 16 November 2016 | Published: 31 December 1973

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I. Hay, Department of Speech Science, Logopedics and Audiology, University of Pretoria, South Africa

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Abstract

A case of functional dysacusis was subjected to routine as well as electric response testing. Test results were unreliable and electrical cortical responses to stimuli delivered to the right ear were so poor that the results could not be utilized. A marked difference between the raw EEG tracings was observed when stimuli were switched between left to right ears. This fact was eventually used to determine the hearing threshold level of the right ear.

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