Try overlaying your results on the average of your spatially normalised data. In my opinion, superimposing results on the single_subj_T1.nii is not very helpful for trying to localise where stuff really happens. Best regards, -John On 13 January 2012 20:54, justine dupont <[log in to unmask]> wrote: > Dear SPM experts > > I wish to describe a white matter region (see attached) but it is unclear to > me from the literature and the manual how to do this. > > With grey matter one has tools such as the WFU pickatlas. But for white > matter? Are there even standard methods? > In the region in the attached image - is this left frontal pole? superior > longitudinal fasciculus? something else? > > Merci! > > Justine > >