[Freesurfer] overlapping/ superimposing regions of one analysis over another

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Dear Experts,

I have done a between group (2 groups) difference in whole brain voxel based cortical thickness using QDEC, which showed significant regional differences in certain clusters bilaterally in the brain. I also did a correlation between cortical thickness and behavioral scores separately in these two groups. Now, I want to superimpose regions (clusters) which showed positive and negative correlation on the results/ regions I obtained in my between group analysis. How can I do this?

Thanks in advance! Sunil. _______________ Sunil K Khokhar PhD Scholar, Department of Neuroimaging & Interventional Radiology, NIMHANS, Bengaluru, INDIA. khokharsunil1@gmail.com +91-9413101839