Dear Jim, List,
have a look at SPM.xX.X for the design matrix, saved in SPM.mat (for
SPM2, dunno for SPM5).
Also check my colleage Dr. Vink's tool for checking multi-collinearity
of your Design: http://www.fil.ion.ucl.ac.uk/spm/ext/#Design_Magic
cheers,
Bas
Jim Kroger schreef:
> Hello SPMers. We're new to SPM. We'd like to get a convolved model of
> the hemodynamic responses to a sequence of trials. SPM must make this
> model to use in its anlaysis. We wish to just get the model, for
> variously ordered and jittered sequences, so we can determine the
> uniqueness (orthogonality) of our different sequences and how well
> they will let us distinguish BOLD effects of our different kinds of
> trials. This model must be put in some data structure we can then
> access from Matlab. Does anybody have experience with this, or know
> what data structure the model is put in?
>
> Many thanks,
> Jim
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Dr. S.F.W. Neggers
Division of Brain Research
Rudolf Magnus Institute for Neuroscience
Utrecht University Medical Center
Visiting : Heidelberglaan 100, 3584 CX Utrecht
Room A.00.1.24
Mail : Huispost A.01.126, P.O. Box
3508 GA Utrecht, the Netherlands
Tel : +31 (0)30 2503386 Fax : +31 (0)30 2505443
E-mail : [log in to unmask]
Web : http://www.fmri.nl/people/bas.html
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