Speech Identification Difficulties of Hearing-Impaired Elderly Persons The Contributions of Auditory Processing Deficits Research Article
Research Article  |   June 01, 1991
Speech Identification Difficulties of Hearing-Impaired Elderly Persons
 
Author Affiliations & Notes
  • Larry E. Humes
    Audiology Research Laboratory Department of Speech and Heanng Sciences Indiana University, Bloomington
  • Laurel Christopherson
    Audiology Research Laboratory Department of Speech and Heanng Sciences Indiana University, Bloomington
  • Requests for reprints should be sent to Larry E. Humes, PhD, Department of Speech and Hearing Sciences, Indiana University, Bloomington, IN 47405.
Article Information
Hearing / Research Articles
Research Article   |   June 01, 1991
Speech Identification Difficulties of Hearing-Impaired Elderly Persons
Journal of Speech, Language, and Hearing Research, June 1991, Vol. 34, 686-693. doi:10.1044/jshr.3403.686
History: Received July 9, 1990 , Accepted September 28, 1990
 
Journal of Speech, Language, and Hearing Research, June 1991, Vol. 34, 686-693. doi:10.1044/jshr.3403.686
History: Received July 9, 1990; Accepted September 28, 1990

This study examined the performance of four subject groups on several temporally based measures of auditory processing and several measures of speech identification. The four subject groups were (a) young normal-hearing adults; (b) hearing-impaired elderly subjects ranging in age from 65 to 75 years; (c) hearing-impaired elderly adults ranging in age from 76 to 86 years; and (d) young normal-hearing listeners with hearing loss simulated with a spectrally shaped masking noise adjusted to match the actual hearing loss of the two elderly groups. In addition to between-group analyses of performance on the auditory processing and speech identification tasks, correlational and regression analyses within the two groups of elderly hearing-impaired listeners were performed. The results revealed that the threshold elevation accompanying sensorineural hearing loss was the primary factor affecting the speech identification performance of the hearing-impaired elderly subjects both as groups and as individuals. However, significant increases in the proportion of speech identification score variance accounted for were obtained in the elderly subjects by including various measures of auditory processing.

Acknowledgments
This work was supported, in part, by grants from the National Institute on Aging. We thank the subjects for their willing participation in this project.
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