Recovery from on- and off-frequency forward masking in listeners with normal and impaired hearing.

The Journal of the Acoustical Society of America
M Wojtczak, Andrew J Oxenham

Abstract

The aim of this study was to investigate the possible mechanisms underlying an effect reported earlier [Wojtczak, M., and Oxenham, A. J. (2009). J. Acoust. Soc. Am. 125, 270-281] in normal-hearing listeners, whereby recovery from forward masking can be slower for off-frequency tonal maskers than for on-frequency tonal maskers that produce the same amount of masking at a 0-ms masker-signal delay. To rule out potential effects of confusion between the tonal signal and tonal masker, one condition used a noise-band forward masker. To test whether the effect involved temporal build-up, another condition used a short-duration (30-ms) forward masker. To test whether the effect is dependent on normal cochlear function, conditions were tested in five listeners with sensorineural hearing loss. For the 150-ms noise maskers, the data from normal-hearing listeners replicated the findings from the previous study that used tonal maskers. In contrast, no significant difference in recovery from on- and off-frequency masking was observed for the 30-ms tonal maskers in normal-hearing listeners, or for the 150-ms tonal maskers in hearing-impaired listeners. Overall, the results are consistent with a mechanism based on efferent feedback that affect...Continue Reading

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Citations

Sep 23, 2011·Journal of the Association for Research in Otolaryngology : JARO·Gayla L PolingJudy R Dubno
Aug 9, 2012·Journal of the Association for Research in Otolaryngology : JARO·Judy R DubnoAmy R Horwitz
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Oct 15, 2013·The Journal of the Acoustical Society of America·Melanie J GreganAndrew J Oxenham
Jun 8, 2013·The Journal of the Acoustical Society of America·Ifat YasinChristopher J Plack
Feb 10, 2011·The Journal of the Acoustical Society of America·Morten L Jepsen, Torsten Dau
Oct 9, 2012·The Journal of the Acoustical Society of America·Skyler G Jennings, Elizabeth A Strickland
Sep 1, 2011·The Journal of the Acoustical Society of America·Joseph G DeslogeLorraine A Delhorne
Oct 1, 2014·Journal of the Association for Research in Otolaryngology : JARO·Skyler G JenningsJudy R Dubno
May 30, 2013·International Journal of Audiology·Wendy LecluyseRay Meddis
Dec 4, 2014·Journal of the Association for Research in Otolaryngology : JARO·Mark FletcherKatrin Krumbholz
Dec 24, 2014·Trends in Hearing·Patricia Pérez-GonzálezEnrique A Lopez-Poveda
Nov 23, 2016·PloS One·Thibaud NecciariRichard Kronland-Martinet

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