Dear all I'm getting an error running FEAT (1st level) that I hope will be quick to diagnose for those who may have encountered this sort of thing before. Basically FEAT seems to be detecting a discrepancy between the number of time points in the design and those in the data. The expt is a phMRI study and this is a simple time-resolved analysis using four sequential boxcars (custom 1-column regressors). The error/report.log is as follows: Started FEAT at Wed May 18 11:23:16 MEST 2005 on itsun03 /bin/cp /tmp/feat_ZAaaTX.fsf design.fsf /usr/local/fsl/bin/feat_model design Total original volumes = 0 Error - tr030505a_A0p3_7_rCBV_st_m_ldt has a different number of time points to that in FEAT setup This seems to be saying that the data has 0 volumes, but the Analyze header looks OK to me... I've processed similar data previously with FEAT and it worked fine; I haven't been able to identify any differences in the current study apart from those directly related to the data and the design. I attach a header dump of the data file and also the .frf file. Thanks in advance, Adam Schwarz --=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=-- Adam J. Schwarz PhD CPhys MBCS Senior Research Scientist / Investigator Department of NeuroImaging (Biology) Centre of Excellence for Drug Discovery, Psychiatry GlaxoSmithKline Via Fleming 4, 37135 Verona, Italy email: [log in to unmask] Tel: (+39) 045 921 9067 (lab: 9485/9955) Internal: +717 9067 Mobile: (+39) 335 353 841 Fax: (+39) 045 921 8047