![]() What Does a Normal EEG Look Like?Ī normal EEG looks fairly uniform and shows no obvious abnormalities (in height, width, and speed of each wave). It can provide information related to the brain's sleep stages, its level of alertness, and whether any abnormal signs are pointing to a health-related issue. The shape of the lines, frequency, and different patterns gives the medical team insight into a patient’s brain's health. These represent the changes in voltage between the electrodes placed on a patient's head to measure electrical activity. When looking at the screen or printout of an EEG, it will essentially look like a lot of squiggles. We will also explain what seizures and suppression look like on an EEG. In this blog post, we will discuss what a normal EEG looks like and what to look for when interpreting the results of an EEG. It is used to help diagnose seizure disorders and other brain health issues, such as strokes. An EEG, or electroencephalogram, is a test that records the electrical activity of the brain.
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