Projection matrices for each of the 12 ECoG participants. The '_elecs2ROI.csv' matrix can be used to project electrode-level EEG data onto sensorimotor brain regions, defined in '_ROIcentroids_'. Note
AP, ML, and DV are anterior-posterior, mediolateral, and dorso-ventral axis of brain, respectively. The axial bias is the absolute distance between the coordinates of stimulation and SDF centers in ea