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(EEG)
- A graphic recording of electrical activity of the brain, usually of the
cerebral cortex, but sometimes of lower areas, recorded from electrodes placed
on the surface of the scalp.
- A graphic (voltage vs. time) depiction of the brain's electrical potentials
(brain waves) recorded by scalp electrodes. It is used for diagnosis in neurologic and neuropsychiatric disorders and in neurophysiological research.
Sometimes used interchangeably with electrocorticogram and depth record, in
which the electrodes are in direct contact with brain tissue.
Source: Edgerton, Jane E. 1994. American Psychiatric Glossary, 7th Edition. Washington, DC: American Psychiatric Press
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