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Hearing Aids Types of Hearing Loss Conductive Sensory Neural Central hearing loss Conductive Outer or middle ear Mild hearing loss Usually, medical treatment can help. Sensory Cochlea is affected The amount of sound they can hear varies Ability to talk may be affected Neural Message failure Nerve is damaged Central Hearing Loss Cochlea is fine Brain is not Message cannot be decoded Why do some people lose their hearing? Too much noise Aging Tumors Ear infection Heredity Head trauma Disease Types of Hearing Aids Digital Hearing Aids Disposable Hearing Aids Programmable Hearing Aids Conventional Hearing Aids Digital Hearing Aids Made from a microchip Math is used! Disposable Hearing Aids Almost invisible! Soft to the touch Replace every 40 days. Very beneficial Programmable Hearing Aids Already programmed instructions Based on person’s hearing test Can be readjusted, fine-tuned, or even replaced Greatest flexibility Conventional (analog) Hearing Aids The most basic Will be visible to the eye Only one or two adjustments The most inexpensive Cochlear Implant Electronic device Surgically implanted Improves speech perception and speech production Consonant, vowels, intonation, and rhythm. Noisy environments may be a problem Cochlear Implant Simulation http://www.youtube.com/watch?v=SpKKYBkJ9Hw