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Influence of aging over 10 years on auditory and vestibular functions in three patients with auditory neuropathy

Abstract The influence of aging on hearing and vestibular function in patients with auditory neuropathy has not been investigated. The purpose of this study was to investigate how hearing and vestibular function in this disease change with aging. The subjects were three female patients with auditory neuropathy. We checked their hearing and vestibular function by speech discrimination tests, ABR, ECochG, DPOAE, caloric test, damped-rotational chair test, and VEMPs. In all three patients, speech discrimination ability and vestibular function markedly declined with aging. However, speech language understanding and higher brain function were less affected by aging.