Synergetic Analysis of Spatio-Temporal Eeg Patterns

  • R. Friedrich
  • A. Fuchs
  • H. Haken
Part of the NATO ASI Series book series (NSSB, volume 244)


We present an analysis of the spatio-temporal patterns connected with the electrical activity of the brain which is measurable at the human scalp in the form of electroencephalograms (EEGs). In the case of the so-called Alpha activity the spatio-temporal EEG patterns show large scale spatial coherence which, however, undergoes a complex temporal evolution. We discuss the change of the spatio-temporal patterns during an epileptic seizure. Based on the synergetic theory of pattern formation in nonequilibrium systems we present a model of the Alpha EEG rhythm which reproduces the observed main spatial as well as temporal features.


Epileptic Seizure Unstable Mode Alpha Rhythm Nonequilibrium System Alpha Wave 
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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • R. Friedrich
    • 1
  • A. Fuchs
    • 1
  • H. Haken
    • 1
  1. 1.Institut für Theoretische Physik und SynergetikUniversität StuttgartStuttgart 80Germany

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