The Sound Wave: An Aid for Hearing
Hearing aids are mainly important in helping the listening and communication comprehension of persons who have hearing impairment that comes from injury to the small hearing cells in the internal ear, known hair cells. This kind of hearing impairment is known as sensorineural hearing impairment. The harm can happen because of illness aging or trauma from sound or some drugs. An aid for hearing amplifies sound vibrations coming to the ear. Presenting hair cells sense the (more…)
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