The Effect of Sensori-Neural Hearing Loss on Threshold-Duration Functions Previous findings on the threshold for tones as a function of their duration have suggested that such functions may be systematically affected by sensori-neural hearing losses of cochlear origin. The present series of investigations was designed to explore this relation further and to determine also whether the amount of hearing ... Research Article
Research Article  |   December 01, 1968
The Effect of Sensori-Neural Hearing Loss on Threshold-Duration Functions
 
Author Affiliations & Notes
  • H. N. Wright
    State University of New York, Upstate Medical Center, Syracuse, New York
Article Information
Research Articles
Research Article   |   December 01, 1968
The Effect of Sensori-Neural Hearing Loss on Threshold-Duration Functions
Journal of Speech, Language, and Hearing Research, December 1968, Vol. 11, 842-852. doi:10.1044/jshr.1104.842
History: Received May 6, 1968
 
Journal of Speech, Language, and Hearing Research, December 1968, Vol. 11, 842-852. doi:10.1044/jshr.1104.842
History: Received May 6, 1968

Previous findings on the threshold for tones as a function of their duration have suggested that such functions may be systematically affected by sensori-neural hearing losses of cochlear origin. The present series of investigations was designed to explore this relation further and to determine also whether the amount of hearing loss present has any effect upon the results which are obtained. Preliminary studies were also carried out on a conductively impaired listener to indicate whether hearing losses of this type affect the threshold-duration function.

The results indicate that the threshold-duration function is systematically affected by sensori-neural hearing losses of cochlear origin. This effect is manifested by a progressive shortening of the time constant relating threshold to duration and is not uniquely related to the amount of hearing loss present. The results obtained from the conductively impaired listener suggested that this type of hearing loss has no effect on the threshold-duration function, thereby implying that such functions may contribute significantly to the differential diagnosis of auditory disorders.

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