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Hi All, I am trying to isolate separate "clusters" from my TBSS results so that I can create a mask of these regions and extract average scalar values. However, I find that when I use the command below, I run into the following problems: 1. I get 6 separate clusters, but the clusters themselves are disjointed, for example, cluster 4 may include part of the cingulum and part of the callosal body as two separate blobs, but still both within "cluster 4" 2. The 6 identified clusters include one with only a single voxel 3. The output clusters are actually larger than what I see when looking at tbss_tfce_corrp_tstat1.nii.gz using a .99 threshold Could anyone lend any insight as to how I can set a cluster-wise p-value or determine a minimal voxel size? Any other feedback is welcome! *cluster --in=tbss_tfce_corrp_tstat1.nii.gz --thresh=.99* Thank you! -- Mindy Westlund Schreiner, M.A. Doctoral Candidate University of Minnesota Clinical Science and Psychopathology Research Program radlab.umn.edu ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1