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Cochlear Implant

 A cochlear implant surgically implants an electronic device behind the ear and in the cochlea, which bypass damaged hearing cells and stimulate the auditory nerve to restore partial hearing. Cochlear implants do not cure hearing loss but they do help people with profound hearing loss to interpret sound signals. 



The external device is worn behind the ears, like a hearing aid. It contains a microphone, a speech processor and a transmitter. Sound is picked up by the microphone, then analysed by the processor. 


The implant is surgically placed under the skin on the temporal bone. It includes a receiver and electrode arrays. The receiver decodes the incoming signal and then sends the information to the electrode arrays. 

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