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That column looks to be all 0s. This is the problem.

Basically, you can't form a contrast for a regressor that does not exist.

Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Postdoctoral Research Fellow, GRECC, Bedford VA
Research Fellow, Department of Neurology, Massachusetts General Hospital and
Harvard Medical School
Office: (773) 406-2464
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On Tue, May 10, 2011 at 11:37 AM, Lorelei Howard <[log in to unmask]> wrote:

> Hi everyone,
>
> I am getting an error that I can't diagnose... any help would be
> appreciated.
>
> Attached are the .mat files for a first level specification. Everything
> seems to be running fine until it gets to contrast 11 when it crashes. The
> only hint at a problem I have is from looking at the design matrix (image
> also attached). Contrast 11 is '1' contrast above the regressor in session
> 2 where there looks like there is a problem. I've looked at my code, the
> mat files attached, and the matlabbatch stucture generated by my script to
> specify all the .mat files and i can't find a problem.
>
> Anyone have any idea what's going on?
>
> Thanks,
> Lorelei
>
>
>
>
> --
> Lorelei Howard
>
> Ph.D. Student
>
> Institute of Behavioural Neuroscience
> Cognitive, Perceptual and Brain Sciences Department
> University College London
> 26 Bedford Way
> WC1H 0AP
> +44 (0)20 7679 8553