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Cochlear implant is one of the several ways to treat hearing loss. It is an electronic device, a part of which lies on the cochlea (inner ear) and behind the ear that helps stimulate the nerve.

A cochlear implant is advised to a person suffering from complete deafness or partial hearing loss in one or both the ears. The device is used to bypass the usual or normal mechanism by which a person is able to hear external sounds.

Cochlear implant is typically suggested to patient with sensorineural hearing loss. This condition may arise when there is a damage to the tiny hair that are present on cochlea. These tiny hears catch the vibration of an external sound and transfer it to the auditory nerve, which then sends the signal to the part of brain responsible for hearing.