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Hi, If you've not done the registration _via_ the registration option in FEAT, it will think that the data hasn't been normalised. You should feed the original native space data into FEAT, and let it do the normalisation for you. Cheers, Steve. On 2 May 2008, at 16:52, Elise Demeter wrote: > Hello, > > We're trying to do a multi-level analysis and our data are already > normalized to a standard template (using flirt gui). We then ran a > first > level analysis on the already normalized 4d timecourses. > > When we next try to do the fixed effects (accross sessions for each > subject), FEAT complains bitterly about the lack of registration, as > follows: > > Error - registration has not been run for > /Volumes/reallybig500GB/ASLdata/070626cf/funcsASLstream/run_03/temps/ > run_D.feat > > > can we circumvent this in some clever way? > > > thank you very much > > -Elise > --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ---------------------------------------------------------------------------