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People living with epilepsy have a higher incidence of psychiatric disorders than the general population. Between 25 and 50% of people living with epilepsy will also be diagnosed with a psychiatric comorbidity, the most frequent of which include depression, anxiety and attention deficit disorders in adults and children, and less frequently personality disorders and psychosis in adults.
The relationship between sleep stages and certain types of epileptic seizures is complex and not completely understood, but certain sleep stages tend to either exacerbate or prevent the spread of seizure activity in the brain.
An electroencephalogram, or EEG, is a test that helps doctors diagnose problems with the brain’s electrical activity, such as seizures. An EEG test uses a special cap with electrodes to detect the electrical activity of the brain.
The EEG test is one of the best diagnostic tools for epilepsy and other seizure disorders. Doctors may use an EEG alongside imaging scans, such as CT scans or MRI scans, and laboratory tests to diagnose epilepsy.