Abstract
Eleven cats were exposed to pure-tone stimulation intended to produce moderate hair-cell damage. Behaviorally defined pre- and post-stimulation intensity-difference thresholds were then compared to see whether recruitment would be evident. Following this, the animals were sacrificed and their ears sectioned and examined to determine the extent of the damage. While varying degrees of damage were evident from the animals' behavioral audiogram and from the histopathological data, there was no evidence of a decrement in their intensity-difference thresholds. This lack of relationship between the discrimination and the histopathological data is discussed.
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