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A sleep-deprived EEG is the recording of the brain activity following a period of no sleep. The night before your appointment you’ll limit your sleep (more details below), and then come to the Neurophysiology Department in the morning.
- Routine EEG
- Sleep EEG Or Sleep-Deprived EEG
- Ambulatory EEG
- Video Telemetry
- Invasive Eeg-Telemetry
A routine EEG recording lasts for about 20 to 40 minutes. During the test, you'll be asked to rest quietly. You will usually be asked to open or close your eyes from time to time. In most cases, you'll also be asked to breathe in and out deeply (called hyperventilation) for a few minutes. A flashing light may also be used to see if this affects you...
A sleep EEG is carried out while you're asleep. It may be used if a routine EEG does not give enough information, or to test for sleep disorders. In some cases, you may be asked to stay awake the night before the test to help ensure you can sleep while it's carried out. This is called a sleep-deprived EEG.
An ambulatory EEG is where brain activity is recorded throughout the day and night over a period of one or more days. The electrodes will be attached to a small portable EEG recorder that can be clipped onto your clothing. You can continue with most of your normal daily activities while the recording is being taken, although you'll need to avoid ge...
Video telemetry, also called video EEG, is a special type of EEG where you're filmed while an EEG recording is taken. This can help provide more information about your brain activity. The test is usually carried out over a few days while staying in a purpose-built hospital suite. The EEG signals are transmitted wirelessly to a computer. The video i...
This EEG is not common, but it may be used to check if surgery is possible for some people with more complex epilepsy. It involves surgery to place electrodes directly on the brain to find out exactly where the seizures are coming from.
An EEG is a routine test carried out in specialist hospitals. The test records the electrical impulses that your brain produces whilst sending and receiving messages to and from your body. EEGs are carried out on patients of all ages and abilities.
It is very important to understand the risks and benefits of a sleep deprived EEG, and we can only proceed with your consent. What happens during the test? The test is similar to a routine EEG (electroencephalogram) but takes a little longer, up to 90 minutes.
Sleep Deprived EEGs are used in a variety of circumstances, most often in the investigation of patients who have seizures (fits) or blackouts. They are more sensitive than routine EEGs and are useful to reveal information about your brain that is not available when you are awake.
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Encephalo - the head. Graph - the way the results of the test are presented. What is a sleep deprived EEG? You may have already had a standard waking EEG. Sleep deprivation may help in two ways. Firstly the tiredness may result in brain waves on the EEG which are not usually seen.
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Feb 2, 2024 · A sleep deprived EEG will be performed by a clinical physiologist. EEG is the abbreviation of electroencephalogram, which is the recording of electrical activity produced by the brain. It can help to explain fits or seizures and is a tool to help your doctor in making a diagnosis.
