Records the brain's electrical activity to aid epilepsy diagnosis.
EEG records the brain's electrical activity via electrodes on the scalp. It is used especially for epilepsy diagnosis and distinguishing seizure types, and helps evaluate conditions like loss of consciousness and dizziness. It is painless.
No; only brain signals are read, no current is applied.
A sleep-deprived EEG may sometimes be requested; your doctor will advise.