A cochlear implant is a small electronic device for people with severe hearing loss. It does not cure deafness but helps the brain recognize sounds.
A cochlear implant is an advanced medical device designed to help people with severe to profound hearing loss who cannot hear well even with powerful hearing aids.
Unlike hearing aids (which amplify sounds), a cochlear implant bypasses damaged parts of the ear and directly stimulates the hearing nerve, allowing the brain to recognize sound signals.
Let’s break it down in simple terms:
A cochlear implant has two main parts:
External Part (Worn Behind the Ear):
- Microphone: Picks up sounds from the environment (e.g., speech, doorbells, or birds chirping).
- Processor: Converts these sounds into digital signals. Think of it as a tiny computer that organizes sounds.
- Transmitter: Sends the processed signals to the internal part through the skin (no wires or surgery needed here).
Internal Part (Surgically Implanted):
- Receiver: Placed under the skin, it receives signals from the transmitter.
- Electrode Array: A thin wire with tiny electrodes (electrical contacts) inserted into the cochlea (inner ear). These electrodes stimulate the hearing nerve.
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