Scaling of the Background Brain Dynamics and Alpha Rhythm

Details Scaling of the Background Brain Dynamics and Alpha Rhythm Scaling of the Background Brain Dynamics and Alpha Rhythm

2004-10-05

arxiv.org/abs/physics/0410024v4

Physics

Biological Physics

12 pages, 5 figures

Scientific paper

The scaling property of the brain dynamics is studied based on the zero-crossing of the local electroencephalographic (EEG) recording taken from healthy young adults in eyes closed and eyes open. Evidence of coupling between the EEG fractal dynamics and the $\alpha$ rhythm is presented. An organization principle that governs this coupling relationship is proposed. In the $\alpha$ dominant brain state, a possible interpretation using the self-organized criticality similar to the punctuated equilibrium is discussed.

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