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08-16-2013, 10:54 AM
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#6 |
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™
Join Date: Jul 2003
Location: Arlington, VA
Posts: 27,717
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It actually is a sound. And she didn't hear it.
One of the theories is that the sound is caused by bones in the middle ear being moved by a muscle spasm and creating noise that way. Another theory is that it is a minor seizure in part of the brain. But it really is a sound either way. |
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