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  • EEG (electroencephalogram) - Mayo Clinic
    Brain cells communicate via electrical impulses, and this activity shows up as wavy lines on an EEG recording Brain cells are active all the time, even during sleep An EEG is one of the main tests to help diagnose epilepsy An EEG also can play a role in diagnosing other brain conditions
  • EEG (Electroencephalogram): What It Is, Procedure Results
    The EEG machine records brain waves and generates a visual output in the form of waveforms (traces) on a computer screen that recreate the pattern of brain activity recorded Your brain wave patterns change when you’re awake, asleep or if something affects your brain cells
  • Electroencephalography - Wikipedia
    Electroencephalography (EEG) [1] is a method to record an electrogram of the spontaneous electrical activity of the brain The bio signals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex and allocortex [2]
  • EEG (Electroencephalogram): Purpose, Procedure, and Risks - Healthline
    An EEG is a test that measures your brain waves and helps detect abnormal brain activity The results of an EEG can be used to rule out or confirm medical conditions
  • Electroencephalogram (EEG) - Johns Hopkins Medicine
    An EEG is a test that detects abnormalities in your brain waves, or in the electrical activity of your brain During an EEG, electrodes are pasted onto your scalp These are small metal disks with thin wires They detect tiny electrical charges that result from the activity of your brain cells
  • EEG Test (Electroencephalogram): Purpose, Procedure, and Results - WebMD
    An EEG, or electroencephalogram, is a test that records the electrical signals of the brain by using small metal discs (called electrodes) that are attached to your scalp
  • EEG (Electroencephalogram): Uses, Procedure, Risks - Verywell Health
    An electroencephalogram (EEG) detects abnormal brain waves that cause seizures EEG uses include diagnosing epilepsy, sleep disorders, and brain tumors
  • EEG Procedure - Simply Psychology
    An EEG (electroencephalogram) records your brain’s electrical activity using painless electrodes placed on the scalp It measures brainwaves like delta, theta, alpha, beta, and gamma , helping to assess brain states such as sleep, alertness, and relaxation
  • Electroencephalogram (EEG) - NHS
    An electroencephalogram (EEG) is a recording of brain activity During this painless test, small sensors are attached to the scalp to pick up the electrical signals produced by the brain These signals are recorded by a machine and are looked at by a doctor
  • Electroencephalography - Neurologic Disorders - MSD Manual Professional . . .
    If a seizure disorder is suspected and the routine EEG is normal, maneuvers that electrically activate the cortex (eg, hyperventilation, photic stimulation, sleep, sleep deprivation) can sometimes elicit evidence of a seizure disorder Nasopharyngeal leads can sometimes detect a temporal lobe seizure focus when the EEG is otherwise uninformative





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