SEEG electrodes and subject's anatomy are not alligned

  1. Do not include the AC/PC/IH points in your file, they are not used for the registration between the MRI and the sensors

  2. When importing the contact positions, select the file format “EEG: XYZ,Name (.)”. It will ask you to confirm the scaling factor (default value is 0.1, because it expects values in centimeters while you file indicates values in millimeters)

FYI: We improved significantly the tools available in Brainstorm for processing and visualizing SEEG and ECOG data, including new options for volume coregistration. They are now documented in a new tutorial: