JOHN COLE / SCIENCE PHOTO LIBRARY JOHN COLE / SCIENCE PHOTO LIBRARY
Boy fitted with cochlear implant. Cochlear implant being worn on the left ear of an 8-year-old boy who was born profoundly deaf due to Mondini dysplasia. He was fitted with bilateral (one in each ear) cochlear implants aged 14 months. The external components (microphone and sound processor) are worn on the ears. A lead takes the sound to the transmitter part of the device (upper right), which is magnetically bound to the internal component which has been surgically placed on the skull under the skin. The internal component converts the sound signal into electrical impulses sent to electrodes implanted in the cochlea, the organ of hearing, allowing those with hearing losses to regain a sense of hearing. For the other cochlear implant, see image C037/4864. Photographed in 2017.
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