Speech Discrimination in Sensori-Neural Hearing Loss: Two Experiments on the Role of Intensity

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Abstract
Speech discrimination was investigated in subjects with sensori-neural dysacousis. Maximum discrimination for speech in the population studied generally occurred at intensity levels below those at which aural amplitude distortion may be introduced into the auditory system. Articulation functions for speech heard at various hearing-aid gain levels by experienced wearers showed that these subjects preferred gain levels close to those at which PB-max scores were obtained, and that the shapes of the articulation curves were quite variable from one subject to another.

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