
EEG (electroencephalogram) - Mayo Clinic
May 29, 2024 · An electroencephalogram (EEG) is a test that measures electrical activity in the brain. This test also is called an EEG. The test uses small, metal discs called electrodes that attach to the scalp. Brain cells communicate via electrical impulses, and this activity shows up as wavy lines on an EEG recording.
Electroencephalography - Wikipedia
Electroencephalography (EEG) [1] is a method to record an electrogram of the spontaneous electrical activity of the brain. The bio signals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex and allocortex. [2] .
EEG (Electroencephalogram): What It Is, Procedure & Results
An EEG (electroencephalogram) is a safe, painless test that measures brain activity. Your healthcare provider may order an EEG to find out why you have certain symptoms like seizures, confusion or memory loss.
EEG (Electroencephalogram): Purpose, Procedure, and Risks
Nov 9, 2021 · An EEG is a test that measures your brain waves and helps detect abnormal brain activity. The results of an EEG can be used to rule out or confirm medical conditions.
10-Plus Conditions Diagnosed With Abnormal EEG Results
Sep 6, 2024 · Severe brain damage, such as due to brain injury or oxygen deprivation, can cause EEG changes. A common use for EEG is evaluating for epilepsy (a group of neurologic disorders characterized by recurrent seizures). Epilepsy can be confused with non-epilepsy conditions that may produce similar disordered movements.
Electroencephalogram (EEG) - Johns Hopkins Medicine
What is an EEG? An EEG is a test that detects abnormalities in your brain waves, or in the electrical activity of your brain. During an EEG, electrodes are pasted onto your scalp. These …
EEG (Electroencephalogram): Uses, Procedure, Risks
Feb 25, 2025 · An EEG is a test that records the electrical activity in your brain. It is most often used to diagnose epilepsy, but it can also be used for head injuries, brain tumors, stroke, and infections such as encephalitis.
Understanding Your EEG Results | Normal & Abnormal EEGs
Aug 3, 2020 · Abnormal EEG results can show up in two ways. First, normal brain activity may be suddenly interrupted and changed. This happens in epileptic seizures. In partial seizures, only part of the brain shows the sudden interruption. The whole brain shows it in generalized seizures.
EEG Test (Electroencephalogram): Purpose, Procedure, and Results - WebMD
Dec 18, 2023 · What Is an EEG (Electroencephalogram)? An EEG, or electroencephalogram, is a test that records the electrical signals of the brain by using small metal discs (called …
Electroencephalogram (EEG) - NHS
An EEG can be used to help diagnose and monitor a number of conditions affecting the brain. It may help identify the cause of certain symptoms – such as seizures (fits) or memory problems …
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