phuluong2k
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hearing loss in the elderly is high frequency sound or low frequency sound ?
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| ssrpk
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prebycusis-defective perception of high frequency sound!(loss of hair cells at the base of choclea)
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| phuluong2k
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Yeah, i have to repeat this again and gain 8)
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| frontier
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Do you know anyway a case where low pitched frequencies are lost? :roll:
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| ssrpk
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yeah .... when are in metalica concert!
low frequency sounds carry more energy so they high intensity low frequency sounds are more dangerous! 8)
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| frontier
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That's great....
yet there's an answer that will surprise you:
Lesion of facial nerve.......
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| ssrpk
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ofcouirse u are rite! 
facial nerve controls the sensitivity of ossicles by way of stapedius....hyperacusis
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