Dear SPMers,
I've used marsbar to extract beta values.
The problem is that I cannot extract beta value from con_0001.img.
Marsbar only allow to read SPM.mat. So I cannot read the com image directly.
Is there any way to extract beta value by reading the con image?
I have tried to use
V=spm_vol('con_0001.img')
XYZ(:,1)=[-26, 0, -18]
beta=spm_get_data(V,XYZ)
I got "zero" beta value.
Best regards,
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