From the patient's perspective, qEEG is similar to regular EEG, but with about 50% more electrodes. In addition to the usual visual interpretation of the results, however, qEEG subjects the measured electrical potentials to a complex series of mathematical calculations. The result is a three dimensional map of the brain, often allowing clinicians to pinpoint the source of epileptic seizures or improve their ability to diagnose subtly different conditions.
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