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- n. presbycusis
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Problems in the inner ear, such as the age-related hearing loss called presbyacusis, the side effects of certain drugs (examples, the salicylates and quinine), Meniere's disease (a disorder of the sensory structures of the inner ear), and noise damage, are likewise associated with tinnitus.
In addition, calculation of Robinson-Sutton's equations confirmed that in a man of 55 years, age induced hearing loss (presbyacusis) could not account for the loss at 4-6 kHz in his right ear, and that it must have been due to noise exposure.
In presbyacusis (hearing loss) or deafness, deprivation of acoustic input may result in abnormal cross-modal plastic reorganization.
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