Audiology (from Latin: audire, "to hear"; and from Greek: and λόγος, logos, "knowledge") is the branch of Science that studies hearing, balance and related disorders. Its practitioners, who treat those with hearing loss and proactively prevent related damage are
audiologists. Employing various testing strategies (e.g.
hearing tests, otoacoustic emission measurements, videonystagmography, and electrophysiologic tests), audiology aims to determine whether someone can hear within the normal range, and if not, which portions of hearing (high, middle, or low
frequencies) are affected and to what degree. If an audiologist determines that a
hearing loss or vestibular abnormality is present he or she will provide recommendations to a patient as to what options (e.g.
hearing aids,
cochlear implants,
surgery, appropriate medical referrals) may be of assistance.
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