![]() This allows you to stretch and change your position. The recording may be stopped from time to time. The technologist will watch you directly or through a window during the test. You will need to lie still with your eyes closed during the recording. Or the activity may be shown as an image on the computer screen. A machine can show the activity as a series of wavy lines on a piece of paper. The electrodes are hooked by wires to a computer that records the electrical activity in the brain. In rare cases, the electrodes may be attached to the scalp with tiny needles. Instead of separate electrodes, you may wear a cap with several fixed electrodes. A sticky paste is used to hold them in place. The EEG technologist will attach several flat metal discs (electrodes) to different places on your head. ![]() Or you may sit in a chair with your eyes closed. ![]() You will be asked to lie on your back on a bed or table. The EEG record is read by a doctor who is trained to diagnose and treat problems that affect the nervous system ( neurologist). An EEG may be done in a hospital or in a doctor's office. ![]()
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