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Auditory neuropathy (AN) is a hearing disorder in which the outer hair cells of the cochlea are present and functional, but sound information is not transmitted sufficiently by the auditory nerve to the brain. The cause may be several dysfunctions of the inner hair cells of the cochlea or spiral ganglion neuron levels. [1]
It is possible that the high blood glucose levels associated with diabetes cause damage to the small blood vessels in the inner ear, similar to the way in which diabetes can damage the eyes and the kidneys. Similar studies have shown a possible link between that hearing loss and neuropathy (nerve damage). Tumor
If the auditory nerve becomes damaged, the affected person will become completely deaf in one or both ears. There is no cure for MS. Meningitis may damage the auditory nerve or the cochlea. Cholesteatoma is a (acquired or congenital) benign collection of squamous epithelial cells within the middle ear. Acquired cholesteatomas are commonly ...
“More specifically to the nerve endings within the cochlear, which can lead to nerve damage, the most common form of hearing loss.” This can get worse over time, she continues. But it tends to ...
Primary causes of hearing loss due to an impaired sensory system include long-term exposure to environmental noise, which can damage the mechanoreceptors responsible for receiving sound vibrations, as well as multiple diseases, such as CMV or meningitis, which damage the cochlea and auditory nerve, respectively. [2]
This hammering causes the fluid within the cochlea (perilymph and endolymph) to be displaced. Displacement of the fluid causes movement of the hair cells (sensory cells in the cochlea) and an electrochemical signal to be sent from the auditory nerve to the central auditory system within the brain. This is where sound is perceived.
Auditory brainstem response testing is an electrophysiological test used to test for hearing deficits caused by pathology within the ear, the cochlear nerve and also within the brainstem. A case history (usually a written form, with questionnaire) can provide valuable information about the context of the hearing loss, and indicate what kind of ...
The 71-year-old revealed his condition in an interview with Classic Guitar magazine, saying that he’s 'been in a lot of pain the last year.'
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