Hello,
Is it possible that the regressor you are testing for corresponds to a
condition that does not have any trial for these subjects, or that they
are parametric modulations with, well, no modulation or not enough with
respect to the polynomial expansion you used? It might help if you could
send me the SPM.mat from one of these three subjects:
http://www.ucl.ac.uk/dropbox/
Best regards,
Guillaume.
On 16/04/17 09:21, SUBSCRIBE SPM suyeon wrote:
> Hi,
> I'm working on 1st level analysis with SPM12.
> I'm analyzing 19 subjects; however, 3 of them have problems with contrast manager.
> Total 12 regressors are used for each subject, and 10 of them works fine, but rest 2 have error in only 3 specific subjects.
> This contrasts work fine with other 16 subjects. Only 3 of them failed contrast manager.
> =================================
> Error command window said:
> ....
> contrast image 10 : ... written con_0010.nii
> spm{T} image 10 : .... written spmT_0010.nii
> 000000000010
> Failed 'Contrast Manager'
> Error: spm_run_con (line 249)
> Error in contrast specification
> In file 'C:\Users\admin\Documents\MATLAB\spm12\spm12\config\spm_run_con.m' (v6025) function 'spm_run_con' at line 249.
> The following modules did not run:
> Failed: Contrast manager
> =================================
>
> I also manually entered contrast using GUI, but they also show 'Invalid contrast error'. (Error only for 3 subjects)
> Also, with other regressors, same 3 subjects have contrast manager error.
> I don't think this is the problem of contrast itself-because they work well on other 16 subjects.
> Is there any way to handle this problem?
> Thanks.
> Have a good day.
>
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
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