![]() (Example command: fslmaths -mul 0 -add 1 -roi 45 1 74 1 51 1 0 1 ACCpoint -odt float) Give the output file a name, and make sure that the output data type ('odt') is set to float. This command requires the template space that you warped to, as well as the actual x-, y-, and z-coordinates corresponding to the MNI coordinates. After you have written down your voxel coordinates, create a point at those coordinates using the fslmaths command. ![]() Step one is to find the corresponding voxel coordinates for your MNI coordinates, which may be based on peak voxel activation from another study, for example to do this, open up FSLview, type in your MNI coordinates, and write down the corresponding voxel coordinates (these are shown in the bottom-left corner of FSLview).Previously we covered how to create regions of interest (ROIs) using both functional contrasts and anatomical landmarks however, FSL can also create spheres around voxel coordinates, similar to AFNI's 3dcalc or SPM's marsbar.
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