If you are preparing this for a research workflow or presentation, here is how you should handle the "piece": 1. File Extraction and Verification
: Use the "3D Source Reconstruction" button to load your head model. Ensure your structural MRI and sensor locations (fiducials) are coregistered, as mismatches can lead to scaling errors where the head appears smaller than the sensor helmet. HM_SPM.rar
: If importing preprocessed SPM data, use the in_fopen_spm function. Note that epoched data might require custom scripts to correctly map channel information from raw files. 3. Troubleshooting "Piece" Preparation If you are preparing this for a research