Occluding the round window causes no change in threshold, but an increase in hearing loss following noise exposure.


AIM To assess the effects of occluding the round window on the degree of hearing loss following exposure to broad band noise. DESIGN Following opening of the middle ear bulla in both ears of ten sand rats, auditory nerve-brainstem evoked response (ABR) thresholds were determined in each ear separately using an insert earphone. The round window of one ear… (More)


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