Electroencephalogram (EEG)
Also known as: Brain Wave Test
Category: NeurologySample: Non InvasiveReport in: 1 2 Days
Records the brain electrical activity using small scalp electrodes.
Why it's done
- Diagnose epilepsy
What it measures
Brain wave patterns.
Preparation
Wash hair the night before; no oil; sleep deprivation may be advised.
Normal range
Normal background activity
Understanding results
Abnormal discharges support epilepsy.
Related conditions
Ordered by
Frequently asked questions
Why is the Electroencephalogram (EEG) test done?
Diagnose epilepsy
How do I prepare for Electroencephalogram (EEG)?
Wash hair the night before; no oil; sleep deprivation may be advised.
What is the normal range for Electroencephalogram (EEG)?
Normal background activity
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- ICMR standard treatment workflows
- Reference ranges vary by laboratory - always read your report with your doctor
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.