Difference between revisions of "4 Hz vertex rhythm"

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(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)

Latest revision as of 17:22, 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) 4 Hz vertex rhythm (source) eegpedia.png



4Hz vertex rhythm during 2-3 seconds (source) 4 Hz vertex rhythm (source) 2.png