edsp4701 hw1 - HEARING LOSS OUTLINE IMPACT OF A HEARING...

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HEARING LOSS OUTLINE IMPACT OF A HEARING LOSS o Grief over the hearing loss o Low self esteem o Stress and resulting fatigue o Depression o Loss of intimacy o Withdrawal o Self isolation o Possibly chemical dependency THE HEARING PROCESS o Sound funnels into the ear canal and causes eardrum to move, eardrum vibrates with sound, vibrations move through the ossicles to the cochlea, fluid movement causes the hair cells to blend and create neural signals which are picked up by auditory nerve, Auditory nerve sends signals to the brain where they are interpreted A. Outline of the Auditory Process Sound funnels into the ear canal and causes eardrum to
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move, eardrum vibrates with sound, vibrations move through the ossicles to the cochlea, fluid movement causes the hair cells to blend and create neural signals which are picked up by auditory nerve, Auditory nerve sends signals to the brain where they are interpreted B. Anatomy of the Ear Outer ear – pinna and ear canal Middle ear – eardrum, anvil, hammer and stirrup Inner ear – cochlea, vestibular system, auditory nerve DEFINITIONS AND CLASSIFICATIONS A. Definitions Total or partial inability to hear sound in
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This note was uploaded on 10/11/2010 for the course ECON 456 taught by Professor Holton during the Spring '10 term at University of Maryland Baltimore.

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edsp4701 hw1 - HEARING LOSS OUTLINE IMPACT OF A HEARING...

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