just a guess: something is wrong with your conditions specification. Do
you have names, onsets, durations defined for your conditions? Are they
all non-empty? You can not have conditions with no onsets in your model.
There has been some discussion on this issue a while back, especially
about how to create contrasts automatically for such designs.
On Wed, 12 Sep 2007, Luke Stoeckel wrote:
> SPM users:
> Once again, I have made the transition to a different operating system and a
> different version of Matlab, and I am getting trouble running SPM5.
> After I "Specify 1st-level" for a single subject and try to run "fMRI model
> specification", I get the following error:
> Error running job:
> Attempted to access X(:,1); index out of bounds because size(X)=[1,0].
> I imported Siemens Allegra data into Osirix (a DICOM viewer) then
> transferred the data to a machine running Windows XP and Matlab 7.4.0
> (R2007a). I successfully used the DICOM converter in SPM5 and preprocessed
> the data without any noticeable errors.
> Where have things gone wrong? Any help would be much appreciated.
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