Since the 1980s, a high EEG abnormality rate has been reported for patients with panic disorder.

What does it mean if EEG shows no activity?.

What is a drawback of having an EEG scan?.

Once home, rest and don't drive for the rest of the day. If you used a sedative, it will take time for the medication to begin to wear off. If you had no sedative, you should feel no side effects after the procedure, and you can return to your normal routine. The technician removes the electrodes or cap. However, compared to inpatient video- EEG monitoring, an ambulatory EEG is not as good at determining the difference between epileptic seizures and nonepileptic seizures. This test can record brain activity over several days, which increases the chances of catching seizure activity. This combined recording can help your doctor diagnose and treat your condition.Īmbulatory EEGs (aEEGs), which allow for longer monitoring outside an office or hospital setting, are in limited use. Your body motions are captured by a video camera while the EEG records your brain waves.

Video is routinely recorded during the EEG.

At various times, the technician might ask you to open and close your eyes, perform a few simple calculations, read a paragraph, look at a picture, breathe deeply for a few minutes, or look at a flashing light.

You relax in a comfortable position with your eyes closed during the test.

Testing for certain conditions require you to sleep during the test. Once the electrodes are in place, an EEG typically takes up to 60 minutes. The electrodes are connected with wires to an instrument that amplifies the brain waves and records them on computer equipment. Sometimes, an elastic cap fitted with electrodes is used instead. Those spots on your scalp might be scrubbed with a gritty cream to improve the quality of the recording.Ī technician attaches discs (electrodes) to your scalp using a special adhesive.

A technician measures your head and marks your scalp with a special pencil to indicate where to attach the electrodes.Here are some things you can expect to happen during an EEG: The electrodes don't transmit any sensations. You'll feel little or no discomfort during an EEG.

What is eeg test