An abnormal EEG means that there is a problem in an area of brain activity. This can offer a clue in diagnosing various neurological conditions.
Can an abnormal EEG mean nothing?
An abnormal EEG doesn't automatically mean that you, for example, have epilepsy. The EEGs of babies and young children can often record irregular patterns that don't mean anything, or the irregularities may flag previously diagnosed neurological conditions such as cerebral palsy.
Can normal person have abnormal EEG?
Interictal Epileptiform Discharges (IED)
The presence of IED in a routine EEG in children with a new-onset seizure is 18% to 56%, while in adults, it is 12% to 50%. [5] Though uncommon, they can occur in healthy persons without a history of seizures.