Comparison of clinical feasibility of behavioural and physiological estimates of peripheral compression

Authors

  • Michal Fereczkowski Hearing Systems Section, Department of Health Technology, Technical University of Denmark, DK-2800 Lyngby, Denmark
  • Torsten Dau Hearing Systems Section, Department of Health Technology, Technical University of Denmark, DK-2800 Lyngby, Denmark
  • Ewen Neale MacDonald Hearing Systems Section, Department of Health Technology, Technical University of Denmark, DK-2800 Lyngby, Denmark

Keywords:

compression, notched-noise, OAE

Abstract

Previous research has shown that the rate of peripheral compression (estimated from the slope of the basilar-membrane input-output function) is not correlated with the pure-tone sensitivity (the audiogram). However, efficient estimation of peripheral compression has proven challenging and the methods are based on several assumptions. The aim of this study was to investigate and compare results from three methods of estimating peripheral compression in terms of their accuracy and clinical feasibility. Two psychoacoustic behavioural measures, based on forward (temporal masking curves, TMC) and simultaneous masking with notched-noise (NN), were investigated together with a physiological, distortion-product otoacoustic- emissions (DPOAE), based measure. Forty-five hearing-impaired (HI) listeners with mild-to-moderate hearing loss were tested. Correlation analysis of the data was performed, including partial-correlations, in order to factor out the potential influence of the pure tone-thresholds on the compression estimates. The results demonstrated limitations of each of the considered methods; however, the experiment involving estimates of auditory filters showed good stability and small training requirements across the listeners.

References

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Auditory Learning in Biological and Artificial Systems

Additional Files

Published

2020-04-18

How to Cite

Fereczkowski, M., Dau, T., & MacDonald, E. N. (2020). Comparison of clinical feasibility of behavioural and physiological estimates of peripheral compression. Proceedings of the International Symposium on Auditory and Audiological Research, 7, 429–436. Retrieved from https://proceedings.isaar.eu/index.php/isaarproc/article/view/2019-50

Issue

Vol. 7 (2019): Auditory Learning in Biological and Artificial Systems

Section

2019/5. Other topics in auditory and audiological research

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