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Dear SPM users, My question concerns about graphic output from SPM. Suppose I have more than one t-contrast. For each I obtain an spmT_**.img. Then I overlap one of the spmT_**.img onto a template, and view the image in multiple slices. Then I'd like to overlay a second spmT_**.img on top of the multiple slices I created before. The overlay of multiple t-map onto the same template allows me to see the overlap and non-overlap among different t-contrasts. If one can use different colors to label: contrast 1 only, contrast 2 only, overlap of contrast 1&2, then it will be a visually straightforward way to look at conjunctions of several tests. What I'd like to know is, does anyone have a good solution to overlay multiple t-maps onto the same template and view the results in multiple slices? Thank you very much. I appreciate your help. Yuhong