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SPM Community, I am performing a VBM study to look at age-related volumetric changes in the rhesus monkey brain. I performed a simple regression test, where I inserted all the images from young to old and their respective ages as a co-variate. The results showed 9 white matter areas of statistical significance. However, after overlaying the Wisconsin group T1 template, which was also used for normalization and segmentation, I do not know how to identify if the areas of statistical significance are positively or negatively correlated with age? Thank you. -- Adnan Virani [log in to unmask]