| Indications for electroencephalography |
| Diagnosis of seizure tendency |
| Evaluation of type and location of seizure |
| Evaluation of altered mental state |
| Evaluation of nocturnal or sleep related events |
| Evaluation of prognosis in coma |
| Confirmation of brain death |
| Pre-operative evaluation for epilepsy surgery |
| Monitoring brain function during carotid endarterectomy |