Graduate Thesis Or Dissertation
 

A Study of Tinnitus Patients With Normal Peripheral Auditory Systems

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/xs55mh30n

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  • Tinnitus is usually accompanied by a hearing loss; however, many patients with tinnitus present with normal hearing. The hypothesis was proposed that individuals with tinnitus who do not have an accompanying peripheral hearing loss, have tinnitus as a result of a disorder in the Central Auditory Nervous System. In order to test this hypothesis clinically, a central auditory test battery was administered to ten normal hearing tinnitus patients. Results revealed that three subjects performed normally on the entire central test battery, thus the cause of their tinnitus is unknown. The remaining seven subjects performed abnormally on at least one of the central auditory tests, with results indicating a possible brain stem disorder for five of these subjects and a diffuse lesion involving the brain stem and temporal lobe for one subject. Results were questionable for the one remaining subject. A number of conclusions were drawn regarding the results of this study, with the final conclusion being the acceptance of the hypothesis.
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