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Hi everyone, I'm using the fslvbm tools on my 35 subjects, and on the 2nd step (fslvbm_2_template), i keep encountering a strange problem: when I view the template_4D_GM in fslview, it looks blank--only by looking closely can you see anything. it looks normal, but as if a "brightness setting" is turned all the way down, so that at first glance it's just blank. when i view the template and other output images using slicesdir, it looks just fine, brightness and all. i checked some of the intermediate files in the struc folder, and they have the same problem, starting with the subxxx_struc_brain_mixeltype files, for every subject. subxxx_struc_brain and files generated before it are fine! Has anyone encountered this before? is there a setting i'm missing on fslview, or is this supposed to be normal? Viewing the template_GM on top of the standard space template looks fine as well, it's just the files mentioned above that look "dim" in fslview. Thanks very much, Laura