How Ears Tune In and Out Certain Sounds

Ever wonder how humans with normal hearing are able to "hear" what one person is saying in a crowded room where many people are talking? How is it that the ear is able to tune in and out of conversations going around, especially when everybody in a room is talking equally loud? To understand this ear "tuning" ability, one needs to first understand that the ear incorporates two "aspects" that allow for good hearing: a volume knob and an antenna. Should the volum…

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Rush Limbaugh Has a Cochlear Implant

Infamous conservative talk show host, Rush Limbaugh, suffered from a rare hearing disorder called Autoimmune Inner Ear Disease . This rare inner ear disease is principally characterized by progressive bilateral fluctuating hearing loss and occurs when the body's own immune system starts to attack the hearing mechanism of the ear... much like rheumatoid arthritis is when the body's immune system attacks the joints. Just as with any other auto-immune disorder, it is mainly treated wit…

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