Hi - No if you have done all the re-orientations correctly, the data should be fine if you are considering it alone. However, I do not think you should include it in a study where the other scans are acquired axially. There may be many things different. T On 28 Jun 2007, at 15:09, Agnieszka Burzynska wrote: > > Dear all, > I once had problem in wrongly oriented DTI data, which resulted in > wrong RGB color-coding on FA/V1 maps. I reoriented my eddy- > corrected data.nii and bvecs accordingly with avwswapdim. > > However, my friend told me to view DICOMS: using Osirix I see that > already raw DTI data is reoriented (e.g. Is displayed in saggital > and not axial view). Other sequences are displayed normal. Is it > true then that such data is of no use anymore, a it was acquired in > a wrong way? > > Thanks, > Aga >