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SPM'96 could create normalized images of whatever dimensions you asked. By default however, it produced images with a bounding box of: -78:78mm in the x direction, -112:76mm in the y direction, and -50:85mm in the z direction. The default voxel size was an isotropic 2mm. If the spatially normalized image trims off bits of the brain that you are interested in, then you need to extend the bounding box. Alternatively, if you are just interested in a limited region of the brain, then you can specify a bounding box that just covers that region. Regards, -John > Quick question about the bounding box. The default bounding box for SPM'96 > has dimensions (-78;78), (-112;76), (-50:85) (MNI template). SPM'95 used > to have dimensions (-64;64), (-104;68), (-28;72). > > What are the dimensions of the maps outputed by SPM'96? I did 2 analyses, > one using MNI template, and the other using SPM'95 template. Both analyses > output maps with the same grid. SPM'96 does not print any numbers next to > the maps. Does that mean I just have to use the dimensions of that > template which was used for spatial normalization? %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%