This procedure will bring out epilepsy more readily. That means going to bed and then waking up very early, say 2AM, and staying awake for the rest of the night (without coffee or other stimulants), so that you come in to have the EEG (lying down this time) and ideally fall asleep (for at least a part of the recording). These are important procedures to do during the EEG, as they can bring out different types of epilepsy and therefore help diagnose your problem better, so they are useful to undertake as best you can.Ī photo of EEG electrodes applied on the patient’s scalp.Īt times, to get more information, you will be asked to have an EEG done after sleep deprivation. During the EEG, you will be asked to do a few things, including opening and closing your eyes, breathing more rapidly (hyper-ventilating) as well as closing your eyes whilst bright light flashes. We will then record your brain waves and later analyse them. For a sleep deprived EEG, read on below.Ī total of 23 electrodes (gold plated small discs) will be applied to your scalp with sticky conductive paste. To prepare, please come in with clean, dry hair. It can also be used to help with looking after patients with dementia, head injury among others. This is the most common reason to be sent for an EEG, to help decide if episodes of collapse, fainting, blank staring or other sensations (abrupt fear, deja vu) may be related to epilepsy. It is used mainly to help diagnose epilepsy. The EEG (or electroencephalogram) is a test recording your brainwaves.
On this page, I will discuss what an EEG (electroencephalogram) is used for, what you will feel during the test and a little bit about what it actually records.
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