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Checkerboard pattern reversal visual evoked potentials

Visual evoked potentials at MO electrode are of a high amplitude. Overlapped is the schematic representation of average VEPs amplitude for 10 controls. Checks of 20 minute of arc; reversal rate of 1.7 Hz; contrast of 57%. MO = mid occipital electrode. (Contributed by Dr. Renzo Guerrini.)

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Associated Disorders

  • Early onset self-limited occipital epilepsy (Panayiotopoulos syndrome)
  • Juvenile myoclonic epilepsy
  • Late-onset childhood occipital epilepsy (Gastaut type)
  • Reflex seizures: visual-sensitive epilepsies
  • Self-limited epilepsy with centrotemporal spikes