Reliability of Spontaneous Otoacoustic Emission Suppression Tuning Curve Measures The purpose of this investigation was to study the reliability of spontaneous otoacoustic emission (SOAE) suppression tuning curve (STC) measurements. Two repetitions of an SOAE STC, using a 4-dB suppression criterion, were obtained from 5 subjects who exhibited stable SOAE level (SD ⩽ 1.5 dB) and SOAE frequency (±5 Hz). ... Research Article
Research Article  |   December 01, 1988
Reliability of Spontaneous Otoacoustic Emission Suppression Tuning Curve Measures
 
Author Affiliations & Notes
  • Carol A. Zizz
    Veterans Administration Medical Center Long Beach, CA
  • Theodore J. Glattke
    University of Arizona, Tucson
Article Information
Research Articles
Research Article   |   December 01, 1988
Reliability of Spontaneous Otoacoustic Emission Suppression Tuning Curve Measures
Journal of Speech, Language, and Hearing Research, December 1988, Vol. 31, 616-619. doi:10.1044/jshr.3104.616
History: Received June 22, 1987 , Accepted March 8, 1988
 
Journal of Speech, Language, and Hearing Research, December 1988, Vol. 31, 616-619. doi:10.1044/jshr.3104.616
History: Received June 22, 1987; Accepted March 8, 1988

The purpose of this investigation was to study the reliability of spontaneous otoacoustic emission (SOAE) suppression tuning curve (STC) measurements. Two repetitions of an SOAE STC, using a 4-dB suppression criterion, were obtained from 5 subjects who exhibited stable SOAE level (SD ⩽ 1.5 dB) and SOAE frequency (±5 Hz). Analyses of variance revealed no significant difference between the SOAE STC trials (p > .05). The SOAE frequency was below the SOAE STC tip, which is similar to the relationship between the probe frequency and a simultaneously masked psychophysical tuning curve. The mean slope of the SOAE STC low-frequency segment was 53.7 dB/octave, whereas the mean slope of the SOAE STC high-frequency segment was 124.8 dB/octave. The mean low- to high-frequency slope ratio was 2.4. The mean Q10 value for the 5 subjects was 5.3. The SOAE STC low- and high-frequency slopes and Q10 were similar to psychophysical tuning curve data obtained in simultaneous masking and physiological tuning curve data.

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