Abstract
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.
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References
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Movie: Spat io-Tempora1 Alpha EEG Patterns, produced by Fuchs, A., Friedrich, R. & Haken, H.
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Friedrich, R., Fuchs, A., Haken, H. (1991). Synergetic Analysis of Spatio-Temporal Eeg Patterns. In: Holden, A.V., Markus, M., Othmer, H.G. (eds) Nonlinear Wave Processes in Excitable Media. NATO ASI Series, vol 244. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-3683-7_4
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DOI: https://doi.org/10.1007/978-1-4899-3683-7_4
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