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Recruitment, in medicine, is a physical condition of the inner ear that leads to reduced tolerance of loudness. It commonly occurs in individuals who suffer hearing loss due to cochlear damage. While low-magnitude sounds cannot be heard in the affected ear(s), the perceived loudness increases over-proportionally with sound volume once the ...
Some over-the-counter as well as prescription drugs and certain industrial chemicals are ototoxic. Exposure to these can result in temporary or permanent hearing loss. Some medications cause irreversible damage to the ear, and are limited in their use for this reason. The most important group is the aminoglycosides (main member gentamicin). A ...
Behind-the-ear (BTE): These rest behind the ear while a plastic tube directs amplified sound into the ear canal through an ear mold. BTE hearing aids are suitable for most types of hearing loss ...
On October 17, 2022, over-the-counter (OTC) hearing aids became available at stores across the country for the first time in 50 years.. Until the change, anyone with hearing difficulty started ...
It is thought that because cochlear cells are rich in mitochondria, these antibiotics may also target cochlear cells and cause their death. [10] Another hypothesis suggests that these drugs lead to the production of reactive oxygen species which generate oxidative stress and damage the inner ear. [11]
Research has come to the consensus that AIED is the result of antibodies or other immune cells that cause damage to structures of the inner ear such as the cochlea and vestibular system. Of note, AIED is the only known SNHL that responds to medical treatment, but withholding treatment for longer than three months may result in permanent hearing ...
For example, very curvy ear canals, narrow ear canals, or surgical ears are more prone to earwax buildup. When wax builds up, it causes muffled hearing, tinnitus, or aural fullness (plugged-up ...
There can be damage either to the ear, whether the external or middle ear, to the cochlea, or to the brain centers that process the aural information conveyed by the ears. Damage to the middle ear may include fracture and discontinuity of the ossicular chain. [77] [78] Damage to the inner ear (cochlea) may be caused by temporal bone fracture ...