Zwanzig-Mori projection operators and EEG dynamics: deriving a simple equation of motion

Details Zwanzig-Mori projection operators and EEG dynamics: deriving a simple equation of motion Zwanzig-Mori projection operators and EEG dynamics: deriving a simple equation of motion

2009-03-29

arxiv.org/abs/0903.5021v2

PMC Biophysics 2009; 2:6

Biology

Quantitative Biology

Neurons and Cognition

Revised, e-published Jul 13, 2009

Scientific paper

10.1186/1757-5036-2-6

We present a macroscopic theory of electroencephalogram (EEG) dynamics based on the laws of motion that govern atomic and molecular motion. The theory is an application of Zwanzig-Mori projection operators. The result is a simple equation of motion that has the form of a generalized Langevin equation (GLE), which requires knowledge only of macroscopic properties. The macroscopic properties can be extracted from experimental data by one of two possible variational principles. These variational principles are our principal contribution to the formalism. Potential applications are discussed, including applications to the theory of critical phenomena in the brain, Granger causality and Kalman filters.

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