Representation of the vowel /eh/ in the auditory nerve of cats with a 
noise-induced hearing loss

Center for Hearing Science/Biomedical Engineering
Johns Hopkins School Of Medecine
February 27, 1996

Abstract
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I will discuss the damage to the peripheral auditory system which results 
from acoustic trauma and how these defecits can be used to create an animal 
model of presbycusis.  In our study, we examined the ability of the 
peripheral auditory system to encode the vowel /eh/ after acoustic trauma 
to the region of the cochlea which normally responds to the second and 
third formant frequencies. An abnormal temporal-place representation of 
the vowel was present in the damaged cochlea, as shown by an  
auditory-nerve population study.  Implications of this abnormal response 
pattern for hearing aid design will be discussed.

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