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looks to me like your pitch is off to begin with? I usually orient our anatomics with the nose a lot more down (pitch of 0.2-0.4 would correct it? ). once the file is oriented, do a checkreg with the 305T1 template to ensure that they line up correctly. I'm really not sure though, I hope this solves your problem, happy new year, sophie On Jan 10, 2008 8:43 PM, Vanessa Lim <[log in to unmask]> wrote: > Hi, > We are having problems segmenting our anatomical data using SPM 5. Data > collected using 1.5-T scanner (Seimens Magnetom Avanto): T1-weighted > anatomical scans (MPRAGE): 176 axial slices, slice thickness 1 mm, FOV = > 256 x 256 mm2, TR = 11 ms, TE = 4.94 ms. > > 2 subjects aren't segmenting properly, I have tried skull stripping them > and getting SPM 5 to segment but it doesn't produce any files. > > I've attached a doc with the 2 subjects dicom imported anatomical and > their c1.img file for grey matter. Any ideas please? Thanks. > --------------------- > Vanessa Lim (PhD) > Department of Psychology > University of Auckland > Private Bag 92019 > New Zealand > + 649 3737-599 x 88430 > > -- Sophie Josee Lafaille, B.Sc.(Hons.), M.Sc. Research Officer II, Speech Fluency Laboratory 1059 Department of Speech-Language Pathology, University of Toronto, 500 University Avenue, Rm 160, Toronto, Ontario, M5G 1V7 Phone: 416-946-8635 Fax:416-978-1596 We don't stop playing because we grow old, we grow old because we stop playing. - Anonymous