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Transient evoked otoacoustic emission input-output function variation in a large sample of neonates and implications for screening. (In special issue: Focus Issue: Neonatal Health Screening)

Transient evoked otoacoustic emission input-output function variation in a large sample of neonates and implications for screening. (In special issue: Focus Issue: Neonatal Health Screening)
Transient evoked otoacoustic emission input-output function variation in a large sample of neonates and implications for screening. (In special issue: Focus Issue: Neonatal Health Screening)
We performed a retrospective analysis of TEOAEs from 1415 neonatal ears to investigate whether the application of linear averaging techniques may provide greater screening specificity than conventional nonlinear averaging techniques. Pass criteria were based on correlations between replicate averages, and pass rates were compared between linear and nonlinear averaging techniques. The linear averaging technique gave a higher pass rate as hypothesized, so that 35% of ears that passed using the linear method failed using the nonlinear method. In addition, lack of saturation was more evident for the short-latency components of the TEOAE. These results, from a large sample of recordings obtained under field conditions, indicate that there is potential to improve specificity of neonatal TEOAE screening using linear averaging techniques. A combination of linear and nonlinear techniques for the long and short latency components of the TEOAE, respectively, may offer further advantages.
transient evoked otoacoustic emission (TEOAE), input-output (I-O) function, derived nonlinear response (DNLR), neonatal hearing screening
670-679
How, Jacqueline
da192feb-cda2-44ca-9897-4300d5ab8105
Lutman, Mark E.
How, Jacqueline
da192feb-cda2-44ca-9897-4300d5ab8105
Lutman, Mark E.

How, Jacqueline and Lutman, Mark E. (2007) Transient evoked otoacoustic emission input-output function variation in a large sample of neonates and implications for screening. (In special issue: Focus Issue: Neonatal Health Screening). International Journal of Audiology, 46 (11), 670-679. (doi:10.1080/14992020701438813).

Record type: Article

Abstract

We performed a retrospective analysis of TEOAEs from 1415 neonatal ears to investigate whether the application of linear averaging techniques may provide greater screening specificity than conventional nonlinear averaging techniques. Pass criteria were based on correlations between replicate averages, and pass rates were compared between linear and nonlinear averaging techniques. The linear averaging technique gave a higher pass rate as hypothesized, so that 35% of ears that passed using the linear method failed using the nonlinear method. In addition, lack of saturation was more evident for the short-latency components of the TEOAE. These results, from a large sample of recordings obtained under field conditions, indicate that there is potential to improve specificity of neonatal TEOAE screening using linear averaging techniques. A combination of linear and nonlinear techniques for the long and short latency components of the TEOAE, respectively, may offer further advantages.

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Published date: November 2007
Keywords: transient evoked otoacoustic emission (TEOAE), input-output (I-O) function, derived nonlinear response (DNLR), neonatal hearing screening

Identifiers

Local EPrints ID: 50416
URI: http://eprints.soton.ac.uk/id/eprint/50416
PURE UUID: e709664e-1ce3-4930-856e-5373816efdd0

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Date deposited: 25 Feb 2008
Last modified: 15 Mar 2024 10:06

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Contributors

Author: Jacqueline How
Author: Mark E. Lutman

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