Hi Daniel -

Thanks for your help! We tried 3dUnifize; that got us past the range issue. We're now able to execute
the command in its parameter flavors. However, when we run it with the -rat option, we don't get really any discernible mask. Using the vanilla human version yields... a mask. Using marmoset yields a much smaller mask. The attached images are for rodent and human results. We're not really sure how to get the rodent option working from here.

We are trying a template based approach as well. It's working pretty decently for the anatomical. Yet to see for our other image sets... [described more below]

Our problem's pretty straightforward: we just want a good registration among an inplane anat T2 (same session), EPI (same session), and a hires anat T2 (different session). We're thinking to register skull stripped versions of these as.... ss-EPI --> inplane T2 --> hires T2, so they're all in alignment.

We think we need the skull strip for all 3 but if you have any insights otherwise, we're all ears!

Thanks again,
John & Shahab