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Hi, you can draw your seed masks using fslview. same for target masks, although these should be listed in a text file that you provide as an input for probtrack (if you're not using the fdt gui) saad On 19 Jul 2007, at 20:33, Emily Rubin Ferreira wrote: > Hi, > > I have run bedpost on my data, and have been able to perform single- > voxel > simple tractography. > > What steps do I need to take to create a binary seed mask of many > voxels to > run tractography in seed mask mode (in diffusion space for example)? > > Also are the same steps taken for creating target masks for > connectivity > based seed classification? > > Thanks, > emily ------------------------------------------------------------------------ --- Saad Jbabdi, Postdoctoral Research Assistant, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222545 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~saad ------------------------------------------------------------------------ ---