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EEG (Electroencephalogram)
An EEG (Electroencephalogram) is a safe, painless, and non-invasive test that records the electrical activity of the brain. It helps doctors detect and diagnose conditions that affect brain function by measuring brainwave patterns.
What is an EEG Used For?
An EEG is commonly recommended to diagnose and monitor:
- Epilepsy and seizure disorders
- Sleep disorders
- Brain infections (like encephalitis or meningitis)
- Brain tumors
- Head injuries
- Stroke-related brain activity
- Unexplained fainting or memory problems
During an EEG, small sensors called electrodes are placed on your scalp. These electrodes detect the tiny electrical signals produced by brain cells (neurons) as they communicate with each other. These signals are recorded by a computer, displaying brainwave patterns as wavy lines on a screen or paper.