mu


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Montage:

appearance

  • Similar to the posterior dominant alpha rhythm except applicable to the somatosensory cortex rather than the visual system cortex.
  • found in the awake state
  • shaped like an arch or an m; rounded on the top, pointy on the bottom
  • 7-11 Hz
  • located over the centroparietal area
  • Attenuates with movement, the thought of movement, or tactile stimulation of the contralateral extremity.


clinical significance

normal finding