Intelligibility of Time-Altered Speech in Relation to Chronological Aging The Northwestern University Auditory Test Number 6 (NU-6) measure of speech discrimination was time compressed and presented to four age groups ranging from 54 to 84 years of age. Experimental stimuli were presented at sensation levels of 24, 32, and 40 dB to an equal number of right and left ... Research Article
Research Article  |   March 01, 1977
Intelligibility of Time-Altered Speech in Relation to Chronological Aging
 
Author Affiliations & Notes
  • Dan F. Konkle
    Hospital of the University of Pennsylvania, Philadelphia
  • Daniel S. Beasley
    Memphis State University, Tennessee
  • Fred H. Bess
    Vanderbilt University School of Medicine, Nashville, Tennessee
Article Information
Research Articles
Research Article   |   March 01, 1977
Intelligibility of Time-Altered Speech in Relation to Chronological Aging
Journal of Speech, Language, and Hearing Research, March 1977, Vol. 20, 108-115. doi:10.1044/jshr.2001.108
History: Received September 22, 1975 , Accepted August 30, 1976
 
Journal of Speech, Language, and Hearing Research, March 1977, Vol. 20, 108-115. doi:10.1044/jshr.2001.108
History: Received September 22, 1975; Accepted August 30, 1976

The Northwestern University Auditory Test Number 6 (NU-6) measure of speech discrimination was time compressed and presented to four age groups ranging from 54 to 84 years of age. Experimental stimuli were presented at sensation levels of 24, 32, and 40 dB to an equal number of right and left ears and male and female subjects. Results indicated that intelligibility decreased as a function of increasing time compression and age and decreasing sensation level. Changes in speech intelligibility associated with the aging process appear to be closely allied to changes in the temporal resolving power of the central auditory processing system.

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