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Journal of the American Academy of Audiology
Article . 2019 . Peer-reviewed
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Impact of Stimulus Polarity on oVEMP Response Using the Belly-Tendon Electrode Montage

Authors: Daniel J, Romero; Blythe H, Kitner; Matthew J, Wilson; Kaylee J, Smith;

Impact of Stimulus Polarity on oVEMP Response Using the Belly-Tendon Electrode Montage

Abstract

Background:One stimulus parameter not well established with respect to the ocular vestibular evoked myogenic potential (oVEMP) is stimulus polarity. Many research studies traditionally record oVEMPs using alternating polarity primarily.Purpose:The purpose of this study was to evaluate the effects of stimulus polarity on the oVEMP response under three different conditions (condensation, rarefaction, and alternating) with updated but established recording procedures—the belly-tendon electrode montage.Research Design:oVEMPs were assessed with changes in stimulus polarity in the seated upright position.Study Sample:Thirty otologically normal participants (60 ears) with no history of hearing or balance disorders and normal middle ear function.Data Collection and Analysis:Five hundred‐hertz air-conducted tone bursts at 95-dB nHL were used to evoke the oVEMP response while recordings were made from the contralateral eye to acoustical stimulation using the belly-tendon electrode montage. Measurements were made using three polarities: alternating, condensation, and rarefaction. Natus Bio-logic AEP hardware and software was used for all data collection and analysis.Results:Condensation stimulus phase provided the largest response amplitude compared with alternating and/or rarefaction. Rarefaction provided the earliest latency among stimulus polarities.Conclusions:Condensation is a more effective stimulus polarity regarding response amplitude when recording the oVEMP. This study further supports the use of the belly-tendon electrode montage for recording the oVEMP response.

Related Organizations
Keywords

Adult, Male, Young Adult, Acoustic Stimulation, Reference Values, Humans, Female, Vestibule, Labyrinth, Electrodes, Vestibular Evoked Myogenic Potentials

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Top 10%
Average
Average
bronze