Dear Geraint,
I just posted the error message that Matlab produced. It doesn't
seem to be an out of memory error, though. My computer is a Dell
Precision 610 with 1 GB of RAM and SPM is allocated to use 2^29.
:> Daniel
> Dear Daniel,
>
> There's nothing obviously wrong with the model parameters you entered. If
> I'm right, your study contains 74 sessions of 176 scans each i.e. 13024
> scans which is a very large analysis - your computer could be running out
> of steam and/or swap space for the MATLAB process! Do you have any
> information on the machine you are using? You don't mention whether
> any errors appeared in the MATLAB window when the progress bar was
> stuck; these will give some clues as to what is going wrong (e.g. is
> there a MATLAB 'Out of Memory' error? ).
>
> I'm afraid there's no easy way to edit the SPM_fMRIDesMtx.mat (other than
> by directly modifying the variables in MATLAB). But I think the root of
> the problem may be with the overall size of the analysis. One way round
> this would be to move to a second level analysis after a first level
> analysis within-subjects.
>
> best wishes,
>
> Geraint
>
> -----------------------------------------------------------------
> Dr. Geraint Rees
> Wellcome Advanced Fellow Lecturer
> California Institute of Technology Institute of Neurology
> Division of Biology 139-74 University College London
> Pasadena 12 Queen Square
> California 91125 London WC1N 3BG
>
> voice (626) 395-2880 voice (171) 833-7472
> fax (626) 796-8876 fax (171) 813-1420
>
> http://www.klab.caltech.edu/~geraint [log in to unmask]
> -----------------------------------------------------------------
>
>
>
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