Electrical Source Imaging

NEW! GeoSource 3 electrical source imaging packages

geosource3largeiconA powerful platform for electrical source imaging, with individual FDM head models, improved atlas head models, and support for advanced neuromodulation planning and other advanced research applications. For Research Use Only.


GPS Photogrammetry-based sensor digitization


Innovative technology for sensor localization; used with GeoSource software to improve source estimation.

EGI's interoperability program includes compabilities with BESA, BrainVoyager, Curry, MATLAB Toolbox, Presentation, and Cartool.


GeoScan handheld sensor digitization

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Stereo camera tracking technology measures, identifies, and creates a 3D coordinate file of EEG sensor locations in real time. For use with electrical source imaging software, such as GeoSource 3.0 Research software. For Research Use Only.


BESA and BrainVoyager

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In addition to EGI's own GeoSource source imaging software, we also distribute third-party source imaging software, BESA and BrainVoyager.



These instruments are not intended for use in diagnosis or treatment of any disease or condition. They are scientific research instruments designed for performing measurements and acquiring data for neurophysiological research. MagstimEGI makes no representation of the suitability of the instruments for any particular research study.