Have you looked at: http://www.fmrib.ox.ac.uk/fsl/tbss/index.html#nonFA ? All the best, Mark On 4 Jan 2012, at 21:04, SUBSCRIBE FSL Megana wrote: > Hi. > > I am running in to the same problem with the tbss_non_FA. > Can you please explain how to do, tbss_non_FA in parts. > > Thank you, > -Tejasvi >