electroencephalogram (EEG)
A recording of the electrical activity of the
brain by means of electrodes placed on the surface of the head. With the EMG and EOG, the EEG
is one of the three basic variables used to score sleep stages and waking. Sleep recording
in humans uses surface electrodes to record potential differences between brain regions
and a neutral reference point, or simply between brain regions. Either the C3 or C4
(central region) placement according to the International 10-20 System is referentially
(referred to an earlobe) recorded as the standard electrode derivation from which state
scoring is done.* EEG is also used to diagnose epilepsy and other brain diseases.
Books and Other
Media:
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  The Game
Michael Douglas, Sean Penn, Deborah Kara Unger 1997 - Jesus of Montreal
DVD Christine-Ann Atallah, Paule Baillargeon, and Boris Bergman 1990
*Reprinted with permission from: Culebras, Antonio Clinical Handbook
of Sleep Disorders Hardcover © 1996 Butterworth-Heinemann
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