An EEG (Electroencephalogram) is a safe, painless test that records the electrical activity in your brain. It helps doctors understand how your brain is working and is often used to investigate symptoms like:
Seizures
Blackouts or fainting
Unexplained collapses
Memory or concentration problems
You don’t feel anything during the test it just records what’s already happening inside your brain.
What Happens During the Test?
A trained clinical physiologist will place small sensors (called electrodes) on your scalp using a special paste.
You’ll be asked to relax in a chair or lie down.
The test takes about 30 to 60 minutes.
You might be asked to open and close your eyes, breathe deeply, or look at a flashing light — this helps the team see how your brain responds.
EEGs are completely safe. There are no needles or shocks, and it does not read your thoughts or emotions.
How Do I Prepare?
Wash your hair the night before and don’t use any gel, spray, or oils.
Eat normally before the test — don’t fast unless told to.
Bring a list of any medications you’re taking.
If you’re having a sleep-deprived EEG, you’ll be asked to stay awake for part or all of the night before.
After the Test
You can usually go home or return to work/school straight after your EEG. There are no side effects. The results will be sent back to the doctor who referred you.
If you had a sleep-deprived EEG, you should not drive until you’ve had some rest.
MediServices Healthcare continuously strives to uphold an excellent standard of service.
Led by our Non-Executive Director – Governance, our clinical governance committee ensures that the quality of all services is continually monitored and reviewed.
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