Difference between revisions of "Fast alpha variant"

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(Created page with "* Two types of alpha variants ** '''Slow or sub-harmonic''' alpha rhythm ** '''Fast or harmonic''' alpha rhythm * '''Fast alpha variant''' is usually twice of the normal bac...")
 
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Latest revision as of 11:17, 5 July 2017

  • Two types of alpha variants
    • Slow or sub-harmonic alpha rhythm
    • Fast or harmonic alpha rhythm


  • Fast alpha variant is usually twice of the normal background rhythm
  • Often notched or bifurcated waves
  • Posterior dominant
  • Suppressed with eyes open, mental stress or sleep, like the normal background rhythm (see Alpha rhythm)
  • Normal in healthy adults