Which of the following is a small, electronic device that directly stimulates the auditory nerve?

Question

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Cochlear implants are small electronic devices that directly stimulate the auditory nerve. They are designed for people with severe to profound hearing loss who cannot benefit from conventional hearing aids. The implant consists of an external microphone, speech processor, transmitter, and an internal receiver that is surgically implanted under the skin behind the ear. The receiver is connected to an electrode array that is inserted into the inner ear (cochlea). When sound is detected by the microphone, it is processed and converted into electrical signals that stimulate the auditory nerve fibers, which send signals to the brain to create the perception of sound.

Which of the Following Is a Small, Electronic Device That