Properties of a nonlinear version of the stimulus-frequency otoacoustic emission.

The Journal of the Acoustical Society of America
Kyle P WalshD McFadden

Abstract

A procedure for extracting the nonlinear component of the stimulus-frequency otoacoustic emission (SFOAE) is described. This nSFOAE measures the amount by which the cochlear response deviates from linear additivity when the input stimulus is doubled in amplitude. When a 4.0-kHz tone was presented alone, the magnitude of the nSFOAE response remained essentially constant throughout the 400-ms duration of the tone; response magnitude did increase monotonically with increasing tone level. When a wideband noise was presented alone, nSFOAE magnitude increased over the initial 100- to 200-ms portion of the 400-ms duration of the noise. When the tone and the wideband noise were presented simultaneously, nSFOAE magnitude decreased momentarily, then increased substantially for about the first 100 ms and then remained strong for the remainder of the presentation. Manipulations of the noise bandwidth revealed that the low-frequency components were primarily responsible for this rising, dynamic response; no rising segment was seen with bandpass or highpass noise. The rising, dynamic nSFOAE response is likely attributable to activation of the medial olivocochlear efferent system. This perstimulatory emission appears to have the potential to ...Continue Reading

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Citations

Jul 7, 2012·Journal of the Association for Research in Otolaryngology : JARO·Samuele CarcagnoLaurent Demany
Aug 19, 2010·Current Opinion in Otolaryngology & Head and Neck Surgery·John J Guinan
Jul 5, 2013·PloS One·Samuele CarcagnoLaurent Demany
Sep 8, 2010·The Journal of the Acoustical Society of America·Elin Roverud, Elizabeth A Strickland
Oct 26, 2010·The Journal of the Acoustical Society of America·Dennis McFaddenErin M Grenwelge
May 1, 2010·Hearing Research·Kyle P WalshDennis McFadden
May 23, 2015·The Journal of the Acoustical Society of America·Kyle P WalshDennis McFadden
Oct 31, 2016·The Journal of the Acoustical Society of America·Hisaaki TabuchiPiotr Majdak
Sep 10, 2010·Current Opinion in Otolaryngology & Head and Neck Surgery

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