Difference between revisions of "POSTS (Positive occipital sharp transients of sleep)"

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(Created page with "*Located in the occipital regions bilaterally as positive waves, during drowsiness/sleep *Triangular in shape (like the capital lambda: Λ) and generally symmetric. *Mos...")
 
 
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*Located in the occipital regions bilaterally as positive waves, during drowsiness/sleep
 
*Located in the occipital regions bilaterally as positive waves, during drowsiness/sleep
*Triangular in shape (like the capital lambda: Λ) and generally symmetric.
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*Triangular in shape (like the capital lambda: Λ, only upside down) and generally symmetric.
*Most evident in non-REM 1 and 2
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*Most evident in [[non-REM 1]] and [[non-REM 2]]
 
*Same morphology as [[Lambda waves]], both in form and in occipital distribution, however lambda waves are during awake state, when visually fixating.
 
*Same morphology as [[Lambda waves]], both in form and in occipital distribution, however lambda waves are during awake state, when visually fixating.
*Completely normal, POSTS should not be confused with spikes
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*POSTS are completely normal, should not be confused with spikes
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'''''POSTS and vertexwaves in a young female adult in non REM 1 sleep.'''''
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[[File: POSTS_en_vertexwave_(source)_eegpedia1.png|border|1200px|left]]
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Latest revision as of 15:25, 30 March 2017

  • Located in the occipital regions bilaterally as positive waves, during drowsiness/sleep
  • Triangular in shape (like the capital lambda: Λ, only upside down) and generally symmetric.
  • Most evident in non-REM 1 and non-REM 2
  • Same morphology as Lambda waves, both in form and in occipital distribution, however lambda waves are during awake state, when visually fixating.
  • POSTS are completely normal, should not be confused with spikes



POSTS and vertexwaves in a young female adult in non REM 1 sleep.

POSTS en vertexwave (source) eegpedia1.png