14 & 6 Hz positive bursts

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14 & 6 Hz positive bursts

Synonymes: ctenoids

  • Bursts of 14Hz (13-17) or 6Hz (5-7)
  • Duration: 0.5-1 second
  • Unilateral (R>L) or bilateral asynchronous or synchronous
  • Arch-shaped waves / Positive sharp peaks
  • Maximum in posterior temporal region
  • Present in drowsiness and light sleep
  • Young adults
  • Not associated with epilepsy



6 Hz positive burst of 0.5 second, bilateral (average)

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14 Hz positive burst in a 7 years old girl during NREM 1 sleep (average)

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6 Hz positive burst in a 6 years old boy (average)

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