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Elder
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Join Date: Aug 2006
Location: southern Indiana
Posts: 5,533
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Elder
Join Date: Aug 2006
Location: southern Indiana
Posts: 5,533
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I don't know if I can thoroughly explain it but I will try. It is to test the transmission through the optic nerve. So you look at this TV screen at this checker board pattern with a red dot on the middle while an EEG is done, thus the reason for the goo in the hair.
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