Wikipedia
eConnectome ( Electrophysiological Connectome) is an open-source MATLAB toolbox with graphical user interfaces for mapping and imaging brain functional connectivity at both the scalp and cortical levels from electrophysiological signals including electroencephalogram (EEG) and electrocorticogram (ECoG). Major functions of the eConnectome include EEG/ECoG preprocessing, scalp/cortical potential mapping, cortical source estimation, connectivity analysis and visualization. Granger causality measures including Directed Transfer Function (DTF) and Adaptive Directed Transfer Function (ADTF) can be used to estimate the directional interactions of brain functional networks. The toolbox package is freely available at http://econnectome.umn.edu under the GNU general public license for noncommercial and academic uses.