Difference between revisions of "4 Hz vertex rhythm"
From EEGpedia
(Created page with "Synonyme: 4 Hz Vertex spindles * Trains of rhythmic waves 3.5-4.5Hz (mean 4Hz) * Duration: 2.5sec * Localisation: Cz * Triangular appearance with an amplitude of around 40uV...") |
(No difference)
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Latest revision as of 18:22, 21 March 2017
Synonyme: 4 Hz Vertex spindles
- Trains of rhythmic waves 3.5-4.5Hz (mean 4Hz)
- Duration: 2.5sec
- Localisation: Cz
- Triangular appearance with an amplitude of around 40uV
- Seen during wakefulness
- NOT seen during drowsiness, sleep
- Adolescents & young adults
- Association with vasomotor instability/syncope reported by some authors
4 Hz vertex rhythm during 2 seconds (source)
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4Hz vertex rhythm during 2-3 seconds (source)
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