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. The electrodes are connected by wires to an EEG machine.Įlectrodes are attached using a special paste glue or paste.
During an EEG test, small sensors, called electrodes, are placed on your scalp. Your brain constantly produces tiny electrical signals. An electroencephalogram (EEG) records activity in the brain.
