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Cochlear Implants
A cochlear implant is an electronic medical device that does
the work of damaged parts of the inner ear (cochlea) to
provide sound signals to the brain.
Unlike hearing aids, which make sounds louder, cochlear
implants do the work of damaged parts of the inner ear
(cochlea) to provide sound signals to the brain.
A sound processor worn behind the ear or on the body,
captures sound and turns it into digital code. The sound
processor has a battery that powers the entire system.
The sound processor transmits the digitally-coded sound
through the coil on the outside of your head to the implant.
The implant converts the digitally-coded sound into electrical
impulses and sends them along the electrode array placed in
the cochlea (the inner ear).
The implant's electrodes stimulate the cochlea's hearing
nerve, which then sends the impulses to the brain where
they are interpreted as sound.
1. The Cochlear Implant provides the brain with
_______________ _______________
2. The scientific name for the inner ear is the
3. The Cochlear Implant is not a ____________ ______
4. The Cochlear Implant converts sound into
_______________ ________________
5. The digital signals are sent to the inner ear’s
_____________ ______________.
6. The electrical impulses are picked up by the brain as
sound signals
hearing aid
electrical impulses
hearing nerve