Comparison of auditory brainstem response peak measures using ear lobe, mastoid, and custom ear canal reference electrodes

  • Samuel R. Atcherson | sratcherson@ualr.edu Department of Audiology and Speech Pathology, University of Arkansas at Little Rock and University of Arkansas for Medical Sciences, AR, United States.
  • Timothy J. Lim Department of Audiology and Speech Pathology, University of Arkansas at Little Rock and University of Arkansas for Medical Sciences, AR, United States.
  • Page C. Moore Department of Biostatistics, University of Arkansas for Medical Sciences, AR, United States.
  • Carlos P. Minaya Department of Audiology and Speech Pathology, University of Arkansas at Little Rock and University of Arkansas for Medical Sciences, AR, United States.

Abstract

Auditory brainstem response (ABR) peak measures were compared for a custom ear canal electrode and traditional mastoid and ear lobe reference electrode sites with the assumption that the ear canal electrode would yield larger Wave I amplitudes. In this study, Waves I, III, and V latencies and amplitudes were measured and compared in twenty participants between the ages of 18 and 50, with particular interest in a potential Wave I advantage using the custom ear canal reference electrode. The statistical analysis suggested that all reference electrode sites yielded comparable results with no statistical differences in peak latency or peak-to-trough amplitude for Waves I, III, and V. Although the custom ear canal electrode did not produce larger Wave I amplitudes over the other two references, a deeper placement of the ear canal electrode might have yielded different results.

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Author Biographies

Samuel R. Atcherson, Department of Audiology and Speech Pathology, University of Arkansas at Little Rock and University of Arkansas for Medical Sciences, AR
Assistant Professor of Audiology
Timothy J. Lim, Department of Audiology and Speech Pathology, University of Arkansas at Little Rock and University of Arkansas for Medical Sciences, AR
Clinical Audiologist
Page C. Moore, Department of Biostatistics, University of Arkansas for Medical Sciences, AR
Assistant Professor
Carlos P. Minaya, Department of Audiology and Speech Pathology, University of Arkansas at Little Rock and University of Arkansas for Medical Sciences, AR
Doctor of Audiology Student/Graduate Research Assistant
Published
2012-01-10
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Original Articles
Keywords:
auditory brainstem response, ear canal, reference electrode, wave I.
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How to Cite
Atcherson, S. R., Lim, T. J., Moore, P. C., & Minaya, C. P. (2012). Comparison of auditory brainstem response peak measures using ear lobe, mastoid, and custom ear canal reference electrodes. Audiology Research, 2(1), e3. https://doi.org/10.4081/audiores.2012.e3