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Complex phase synchronization in epileptic seizures: evidence for a devil's staircase

J L Perez Velazquez1, L Garcia Dominguez, R Wennberg

  • 1Brain and Behaviour Programme, Department of Paediatrics, University of Toronto and Hospital for Sick Children, Toronto M5G1X8, Canada. jose-luis.perezvelazquez@sickkids.ca

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|March 16, 2007
PubMed
Summary

Epileptic seizures exhibit complex multifrequency phase synchronization, not just simple 1:1 frequency locking. This "devil's staircase" phenomenon in brain activity may indicate re-entrant mechanisms similar to cardiac arrhythmias.

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