14 & 6 Hz positive bursts

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

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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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