A Software Package for the Modeling of Electrophysiological Activity Data

A complex of programs has been developed for computer modeling multichannel time series recorded in various experiments on electromagnetic fields created by the human body. Sets coordinates and directions sensors magnetic encephalographs several types, electroencephalographs cardiographs are used as models devices. To study brain, resonance tomograms head models; to heart, a body model form half-space with flat boundary is used. The sources placed space, them direct problem solved physical corresponding device For encephalograph an electroencephalograph, equivalent current dipole spherical conductor used, cardiograph, or each source, dependence set calculated. Then from all summed noise component added. program consists three modules: input-output module, calculation module visualization module. responsible loading models, brain field source parameters. directly calculating transforming between index system system. image model, position sources, graphical representation amplitude-time calculated values total field. user interface developed. software package provides: interactive placement space editing dependence; batch large number sources; modeling; simulation low-channel planar magnetometers orders, specifying shape device, their Magnetic electric produced areas processing speech stimuli considered. resulting signal can be test data analysis methods experiment planning.