electroencephalogram (eeg)
an eeg may be done to study seizures, study sleep disorders, or help find the location of a tumour, an infection, or bleeding. an eeg technologist attaches a cap with fixed electrodes on your head. (an eeg can also be done without a cap by using several individual electrodes.) the electrodes are hooked by wires to a machine that records the electrical activity inside the brain. the machine shows the electrical activity as a series of wavy lines on a computer screen.
current as of: december 20, 2023
author: healthwise staff
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