JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
Cochlear implant component. Macrophotograph of the electrode array of a cochlear implant (CI) for deaf patients. Multiple electrodes (silver) are seen on this thin wire. This electrode array is surgically inserted deep into the cochlear of the inner ear, to enable sound impulses to reach the brain. The electrodes are attached to a receiver implanted under skin of the scalp. The patient wears externally a transmitter, microphone and a sound processor box. CI surgery is performed on profoundly deaf patients unable to be helped by conventional hearing aids. A cochlear implant gives the patient an awareness of sounds and speech that assists the patient to lip-read.
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