Electrocorticogram recordings of four channels from one patient and corresponding electrocorticogram measures versus time. (A) Spatial topography of the 64 electrodes of one patient. (B) Arrangement diagram of electrode strip 1 and distance labeling. (C) Raw electrocorticogram recordings for channels 1, 2, 8, and 9 of the patient. (D) Time course of genuine permutation cross mutual information (GPCMI) values for raw electrocorticogram signals. (E) Time course of GPCMI values for independent component analysis based signals. LOC, loss of consciousness.