The EEG test can only show your brainwave patterns at the time the test is carried out. The electrical signals look like wavy lines that show your brainwave patterns. They don’t interfere with your brain and they don’t cause you any pain. They only pick up the electrical signals. The electrodes pick up the electrical signals from your brain and record them on a computer. Hair conditioner can help to remove the glue afterwards. After the electrodes are removed, you may still have a lot of glue in your hair. Electrodes are attached using a special paste glue or paste. The electrodes are connected by wires to an EEG machine. During an EEG test, small sensors, called electrodes, are placed on your scalp. Your brain constantly produces tiny electrical signals. What types of EEG tests are there? What is an EEG test? What does an EEG test do?Īn electroencephalogram (EEG) records activity in the brain.
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