Effects of Stimulus Duration and Stimulus Off Time on the Auditory and Acoustic Reflex Thresholds The effects of stimulus duration and stimulus off time on the thresholds of hearing and the acoustic reflex were investigated in 10 normal-hearing subjects and 10 subjects with sensorineural hearing loss. A 1000-Hz stimulus with on-off times of 500-500 msec and 30-30 msec was used to obtain hearing sensitivity and ... Research Article
Research Article  |   March 01, 1978
Effects of Stimulus Duration and Stimulus Off Time on the Auditory and Acoustic Reflex Thresholds
 
Author Affiliations & Notes
  • Alan S. Feldman
    SUNY, Upstate Medical Center, Syracuse, New York
  • Debra Katz
    Northwestern University, Evanston, Illinois
Article Information
Research Articles
Research Article   |   March 01, 1978
Effects of Stimulus Duration and Stimulus Off Time on the Auditory and Acoustic Reflex Thresholds
Journal of Speech, Language, and Hearing Research, March 1978, Vol. 21, 74-78. doi:10.1044/jshr.2101.74
History: Received September 7, 1976 , Accepted March 28, 1977
 
Journal of Speech, Language, and Hearing Research, March 1978, Vol. 21, 74-78. doi:10.1044/jshr.2101.74
History: Received September 7, 1976; Accepted March 28, 1977

The effects of stimulus duration and stimulus off time on the thresholds of hearing and the acoustic reflex were investigated in 10 normal-hearing subjects and 10 subjects with sensorineural hearing loss. A 1000-Hz stimulus with on-off times of 500-500 msec and 30-30 msec was used to obtain hearing sensitivity and acoustic reflex thresholds via a tracking method. Auditory threshold was poorer for the 30-30 msec tone than the 500-500 msec stimulus in both groups. Using the different stimuli, no significant difference in acoustic reflex threshold was observed in either group. These results suggest that the addition of a short off time modifies the previously observed effects of both duration and off time on the acoustic reflex and auditory threshold.

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