EEG (electroencephalogram) - Mayo Clinic
2024年5月29日 · 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.
EEG (Electroencephalogram): What It Is, Procedure & Results
An electroencephalogram (EEG) tests your brain function. Healthcare providers order EEGs to diagnose conditions that affect your brain. Providers may use the term EEG for the test itself and what it shows.
EEG (Electroencephalogram): Purpose, Procedure, and Risks - Healthline
2021年11月9日 · 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.
Electroencephalogram (EEG) - Johns Hopkins Medicine
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 are small metal disks with thin wires.
EEG (Electroencephalogram): Uses, Procedure, Risks - Verywell …
2023年6月29日 · An electroencephalogram (EEG) detects abnormal brain waves that cause seizures. EEG uses include diagnosing epilepsy, sleep disorders, and brain tumors.
Electroencephalography - Wikipedia
Electroencephalography (EEG) [1] is a method to record an electrogram of the spontaneous electrical activity of the brain. The biosignals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex and allocortex. [2]
EEG Test (Electroencephalogram): Purpose, Procedure, and Results - WebMD
2023年12月18日 · What’s an EEG machine? An EEG machine records the electrical signals sent from the electrodes attached to your scalp.
Electroencephalogram (EEG): Purpose, Preparation, Risks, and ... - Health
2023年6月24日 · An electroencephalogram or EEG is a test that measures electrical activity in your brain. Learn more here about why it's done and how it works.
EEG (electroencephalogram) test: What to know - Medical News Today
2019年5月16日 · An electroencephalogram test, also called an EEG, is a test that measures electrical activity in the brain. Doctors use EEG tests to diagnose epilepsy and other brain-related conditions.
Electroencephalogram (EEG) - NHS
An electroencephalogram (EEG) is a recording of brain activity. During this painless test, small sensors are attached to the scalp to pick up the electrical signals produced by the brain. These signals are recorded by a machine and are looked at by a doctor.