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Cochlear Implants

A cochlear implant is an implanted electronic hearing device, designed to produce suitable hearing sensations to a person with severe to profound nerve deafness by electrically stimulating nerves inside the inner ear. A cochlear implant receives sound from the outside environment, processes it, and sends small electric currents near the auditory nerve. These electric currents activate the nerve, which then sends a signal to the brain. The brain learns to recognize this signal and the person experiences this as hearing. The cochlear implant somewhat simulates natural hearing, where sound creates an electric current that stimulates the auditory nerve.

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