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Hi, I'm registering me task EPI via a wholehead EPI (6 DOF), the person's structural (7 DOF), and then to the template (12 DOF). The FEAT report gives visual overlays for 4 registrations: 1- task EPI to wholehead EPI 2- wholehead EPI to highres structural 3- task EPI to highres structural 4- highres structural to template 5- task epi to template I understand the rationale for registering the task epi to the highres structural via the wholehead epi, and the then to the template via the highres structural, but could you please explain the steps, and what happens (e.g., which transformation matrices get applied to what and why?). I've had a bit of trouble working it out from the scripts in the .log file. Also, I've noticed FEAT spits out the .mat files, but is it possible to extract the registered images, so that I can overlay them (as per the 5 images above) in medx and check the registration in more detail? Appreciate your help, Alex