Hi all, I'm trying to perform DTI connectivity between all seeds in a given template using FSL Fdt tool (such as Harvard oxford cortical structural atlas, after transfer the DTI & templates VOI to the same space) What is the most recommended way? (1 ) Regards the Matrix options, Matrix 1 option seems appropriate but the running time for multiple masks is very long and not applicable. Is there any way to accelerate the running time / calculate connectivity to the entire VOI (and not to each voxel with in it? (2) Regards the analysis results, what is the best way to normalize the fdt_network_matrix file results across subjects (given different member of voxels for the different masks across subjects)? Many thanks Moran