It looks to me like atlasquery -c expects mm coordinates and not voxel coordinates. When I use fslstats -x to get coordinates of the maximum voxel, I get voxel coordinates, rather than mm coordinates. I there some easy way to produce the coordinates of the max voxel in mm? Thankyou, Dianne -- Dianne Patterson, Ph.D. Research Scientist [log in to unmask] <[log in to unmask]> University of Arizona Speech and Hearing Science 314 1131 E 2nd Street, Building #71 (Just East of Harvill) 621-9877 ============== "I used to think that the brain was the most wonderful organ in my body. Then I realized who was telling me this." - Emo Phillips ============== If you write me (expecting an answer) and I don't respond within a day, then the email may have been lost. You can always write me at [log in to unmask] ==============