AP PSYCHOLOGY

SENSATION AND PERCEPTION

HEARING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
a device for converting sounds into electrical signals and stimulating the auditory nerve through electrodes threaded into the cochlea
A
frequency theory
B
conduction hearing loss
C
sensorieneural hearing loss
D
cochlear implant
Explanation: 

Detailed explanation-1: -A cochlear implant uses a sound processor that you wear behind your ear. A transmitter sends sound signals to a receiver and stimulator implanted under the skin, which stimulate the auditory nerve with electrodes that have been placed in the cochlea.

Detailed explanation-2: -Cochlear implants bypass damaged portions of the ear and directly stimulate the auditory nerve. Signals generated by the implant are sent by way of the auditory nerve to the brain, which recognizes the signals as sound.

Detailed explanation-3: -A cochlear implant (CI) is a surgically implanted neuroprosthesis that provides a person who has moderate-to-profound sensorineural hearing loss with sound perception. With the help of therapy, cochlear implants may allow for improved speech understanding in both quiet and noisy environments.

Detailed explanation-4: -A cochlear implant is an implanted electronic hearing device, designed to produce useful hearing sensations to a person with severe to profound nerve deafness by electrically stimulating nerves inside the inner ear.

Detailed explanation-5: -ABI. Auditory brainstem implants (ABI) are similar in concept to cochlear implants, but rely on electrodes placed directly on the brainstem that relay electronic signals to the brain. ABIs are less common, usually reserved for individuals whose auditory nerve does not function properly due to disease or trauma.

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