What are focal EEG asymmetries of the mu rhythm?

Updated: Oct 09, 2019
  • Author: Alexis D Boro, MD; Chief Editor: Selim R Benbadis, MD  more...
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Like differences the PDR, amplitude asymmetries of the mu rhythm alone are rarely associated with focal pathology. The mu rhythm is unilateral in about 30% of healthy patients, at least in the routine EEG. A change in the frequency or rhythmicity of the mu or the intrusion of slower activities is a reliable indicator of ipsilateral pathology.

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