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Unformatted text preview: of The cochlear Over tme The hair cells near oval window sTarT To geT worn ouT OToacoustc emissions Hair cells also make sound Hair cells generaTe sounds ThaT go ouT of ear, can be picked up by a moniTor = opToacoustc emissions o Can Tell if infanTs are likely To have normal hearing ´inniTus- consTanT ringing sound, caused by spasms in The muscles of The ear, sometmes ringing sometmes clicking, accompanied wiTh hearing loss sometmes, ouTer hair cells ge³ng disrupTed Localizing sound sources Ears on eiTher side of The head gives us sTereophonic hearing Timing method o With ear is s±mulated frst o Best with low Frequency Broader waves, takes longer to hear o When the sound arrives Volume method o Which ear the sounds sounds louder in o Head mu²es sound going through, localize sound o Best with high Frequency sounds We are really good at localizing sound...
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- Spring '11
- hair cells, oval window