Hello SPMers,
I am having difficulties normalizing some fMRI data. The images were
acquired on a GE scanner. When i normalize the data, a large chunk of the
images, in the three planes, disappears. On the normalization report, a
large part of the posterior pole is absent. I have run the data using
another software (stimulate) and the data seem allright...
Someone told me to crop the images before using SPM to solve the problem.
Now i get an error message similar to this one (which i copied from
someone else's message
Can someone help me?
thank you,
Hugo Theoret
>> smoothing.. ..done
iteration: 1 chi2: 0.0386532
Warning: Divide by zero
Warning: Divide by zero
iteration: 2 chi2: 0
??? Error using ==> svd
NaN and Inf not allowed.
Error in ==> /export/home/matlab4_2/toolbox/matlab/matfun/pinv.m
On line 14 ==> [U,S,V] = svd(A,0);
Error in ==> /export/home/spm96/spm_affsub2.m
On line 103 ==> P(qq) = P(qq) + pinv(reshape(alpha(qqq), nf,
nf))*beta(qq);
Error in ==> /export/home/spm96/spm_sn3d.m
On line 683 ==> p1 = spm_affsub2(VG,VF, mg,mf, 1,8,
mean0,fr,pdesc,gorder);
Error in ==> /export/home/spm96/spm_sn3d.m
On line 430 ==>
spm_sn3d(P,matname,bb,Vox,[nbasis iterations 8
rglrztn],Template,aff_parms,ones(nap,1));
??? Error while evaluating callback string.
NaN
ans =
NaN
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