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Linear model of brain electrical activity—EEG as a superposition of damped oscillatory modes

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Abstract

EEG time series were modeled as an output of the linear filter driven by white noise. Parameters describing the signal were determined in a way fulfilling the maximum entropy principle. Transfer function and the impulse response function were found. The solutions of the differential equations describing the system have the form of the damped oscillatory modes. The representation of the EEG time series as a superposition of the resonant modes with characteristic decay factors seems a valuable method of the analysis of the signal, since it offers high reduction of the data to the few parameters of a clear physiological meaning.

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Franaszczuk, P.J., Blinowska, K.J. Linear model of brain electrical activity—EEG as a superposition of damped oscillatory modes. Biol. Cybern. 53, 19–25 (1985). https://doi.org/10.1007/BF00355687

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  • DOI: https://doi.org/10.1007/BF00355687

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