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A cochlear implant (CI) is a surgically implanted neuroprosthesis that provides a person who has moderate-to-profound sensorineural hearing loss with sound perception. With the help of therapy, cochlear implants may allow for improved speech understanding in both quiet and noisy environments.
A cochlear implant is surgical implantation of a battery powered electronic medical device in the inner ear. Unlike hearing aids , which make sounds louder, cochlear implants do the work of damaged parts of the inner ear (cochlea) to provide sound signals to the brain.
A cochlear implant can also be used to treat unilateral hearing loss in many countries. The device is surgically implanted in the cochlea of non-hearing ear, with a sound processor worn externally. The device is surgically implanted in the cochlea of non-hearing ear, with a sound processor worn externally.
The 40-second clip cycles through what a person with a cochlear implant hears when various tones are played, followed by several sentences of speech.
A cochlear implant or auditory brainstem implant may help some who have hearing loss due to the condition. [1] In the United States, about 1 in 3,500 people have NF1 and 1 in 25,000 have NF2. [1] Males and females are affected equally often. [2] In NF1, symptoms are often present at birth or develop before 10 years of age. [1]
The symptoms of cochlear hydrops fluctuate, and the condition may stabilize or go away on its own after several years. However, because the organ of Corti undergoes stress during the hydrops episodes, long-term hearing loss, tinnitus, or hyperacusis is possible. It is considered by some that cochlear hydrops is an early form of Meniere's disease.
The symptoms mentioned above are the external signs of the physiological response to cochlear overstimulation. Here are some elements of this response: Damaged sensory hairs (stereocilia) of the hair cells; damaged hair cells degenerate and die. In humans and other mammals, dead hair-cells are never replaced; the resulting hearing loss is ...
The NAD asserts that the choice to implant is up to the individual (or the parents), yet strongly advocates a fully informed decision in all aspects of a cochlear implant. Much of the negative reaction to cochlear implants stems from the medical viewpoint that deafness is a condition that needs to be "cured," while the Deaf community instead ...
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