Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm

A forward masking technique was used to measure cochlear gain reduction which might be consistent with the medial olivocochlear reflex (MOCR). A 4-kHz signal was set at 20 dB SL, and an on-frequency forward masker adjusted to just mask the signal. Adding a pink noise precursor before the signal and...

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Autores principales: Strickland, Elizabeth A., Salloom, William B., Hegland, Erica L.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6858064/
https://www.ncbi.nlm.nih.gov/pubmed/31736681
http://dx.doi.org/10.3813/AAA.919229
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author Strickland, Elizabeth A.
Salloom, William B.
Hegland, Erica L.
author_facet Strickland, Elizabeth A.
Salloom, William B.
Hegland, Erica L.
author_sort Strickland, Elizabeth A.
collection PubMed
description A forward masking technique was used to measure cochlear gain reduction which might be consistent with the medial olivocochlear reflex (MOCR). A 4-kHz signal was set at 20 dB SL, and an on-frequency forward masker adjusted to just mask the signal. Adding a pink noise precursor before the signal and masker increased the level of the masker needed to mask the signal, in contrast to what would be expected from theories such as additivity of masking. The magnitude and pattern of this increase was similar to the increase in signal threshold seen with an off-frequency masker following a precursor.
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spelling pubmed-68580642019-11-15 Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm Strickland, Elizabeth A. Salloom, William B. Hegland, Erica L. Acta Acust United Acust Article A forward masking technique was used to measure cochlear gain reduction which might be consistent with the medial olivocochlear reflex (MOCR). A 4-kHz signal was set at 20 dB SL, and an on-frequency forward masker adjusted to just mask the signal. Adding a pink noise precursor before the signal and masker increased the level of the masker needed to mask the signal, in contrast to what would be expected from theories such as additivity of masking. The magnitude and pattern of this increase was similar to the increase in signal threshold seen with an off-frequency masker following a precursor. 2018 /pmc/articles/PMC6858064/ /pubmed/31736681 http://dx.doi.org/10.3813/AAA.919229 Text en This is an open access article under the terms of the Creative Commons Attribution (CC BY 4.0) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Strickland, Elizabeth A.
Salloom, William B.
Hegland, Erica L.
Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm
title Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm
title_full Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm
title_fullStr Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm
title_full_unstemmed Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm
title_short Evidence for Gain Reduction by a Precursor in an On-Frequency Forward Masking Paradigm
title_sort evidence for gain reduction by a precursor in an on-frequency forward masking paradigm
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6858064/
https://www.ncbi.nlm.nih.gov/pubmed/31736681
http://dx.doi.org/10.3813/AAA.919229
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