What is an EEG?

An electroencephalogram (EEG) is a test that measures and records the electrical activity of your brain.  Special sensors electrodes are attached to your head and hooked by wires to a computer. The computer records your brain’s electrical activity on the screen or on paper as wavy lines.

Certain conditions, such as seizures, can be seen by the changes in the normal pattern of the brain’s electrical activity.

What are the Clinical Applications?

The test is used to help diagnose conditions such as:

  • seizures/epilepsy
  • head injuries
  • dizziness
  • headaches
  • brain tumors
  • sleeping problems
  • confirm brain death

What should I expect?

The patient will feel little or no discomfort during an EEG. Recording electrodes are placed on the surface of the patient’s scalp.  The patient is asked to breathe deeply and rapidly or to stare at a flashing light — both of these activities produce changes in the brain-wave patterns.  

When the EEG is done, the electrodes are removed and the glue that held them in place is washed away with acetone.

 
Do You Want More Information?

Traumatic brain injury (TBI) can be a serious, life-threatening condition. Please contact our office at (619) 460-5850 to schedule a consultation.

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