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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.
Sep 6, 2024 · An EEG is a noninvasive brainwave test that is used to evaluate and diagnose epilepsy, sleep disorders, and changes in consciousness. Sometimes EEG is necessary to help distinguish epilepsy from conditions that may have similar symptoms, such as movement disorders or migraine.
Electroencephalography (EEG) is a non-invasive investigation that can aid the diagnosis of psychiatric and neuropsychiatric disorders. A good predictor of an abnormal EEG recording is the presence of an organic factor identified during the clinical assessment.
- Vellingiri Raja Badrakalimuthu, Radhika Swamiraju, Hugo de Waal
- 2011
May 3, 2003 · Sleep disturbances-particularly insomnia - are highly prevalent in anxiety disorders and complaints such as insomnia or nightmares have even been incorporated in some anxiety disorder definitions, such as generalized anxiety disorder and posttraumatic stress disorder. In the first part of this review, the relationship between sleep and anxiety ...
- Epilepsy. Epilepsy is a neurological seizure condition that occurs in one of several parts of the brain. The main symptom of epilepsy is recurrent seizures due to unusual electrical brain activity.
- Sleep disorders. Sleep disorders include problems with the amount or quality of sleep a person has, often due to an underlying physical or emotional cause.
- Traumatic brain injuries. Head injuries, or traumatic brain injuries (TBIs), occur when a strong force to the head causes damage to the brain, resulting in temporary or permanent impairment of cognitive, physical, and psychosocial functions.
- Brain infection or inflammation. Brain inflammation, or encephalitis, primarily occurs after a viral infection. Other causes may involve the immune system mistakenly attacking brain tissue.
A sleep EEG (electro-encephalogram) is the recording of electrical activity produced by the brain whilst you sleep. It will help your doctor in making a diagnosis. A sleep EEG is useful as it obtains different information to the routine EEG, as brainwave patterns change during sleep.
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What is a sleep-deprived EEG test? An EEG (electroencephalogram) is a test that records the electrical activity of the brain. The nerve cells in the brain produce tiny electrical signals and these signals (also called brain waves) can be recorded via electrodes (small disks) placed on the scalp.
