Anelectroencephalogram (EEG)is a recording of brain activity.
During the test, small sensors are attached to the scalp to pickup the electrical signals produced when brain cells send messages to each other.
These signals are recorded by a machine and are looked at by a doctorlater to see if they're unusual.
The EEG procedure is usually carried out by a highly trained specialist called a clinical neurophysiologist during a short visit to hospital.
Read about why an electroencephalogram (EEG) recording may be needed and find out what happens before, during and after the test.
An EEG can be used to help diagnose and monitor a number of conditions affecting the brain.It may helpidentify the cause of certain symptoms such as seizures (fits) or memory problems or find out more
Your appointment letter will mention anything you need to do to prepare for the test.Unlesstold otherwise, you can usually eat and drink beforehand and continue to take all your normal medication.To h
There are several different ways an EEG recording can be taken. The clinical neurophysiologist will explain the procedure to you andcan answerany questions you have.You'll also be asked whether you gi
The main types of EEG are explained below.Routine EEGA routine EEG recording lasts for about 20 to 40 minutes.During the test, you'll be asked to rest quietly and open or close your eyesfrom time to t
When the test is finished,the electrodes will be removed and your scalp will be cleaned. Your hair will probably still be a bit sticky and messy afterwards, so you may want to wash it when you get hom
The EEG procedure is painless, comfortable and generally very safe. No electricity is put into your body while it's carried out. Apart from having messy hair and possibly feeling a bit tired, you won'