Dear SPM community,
How is the mask.img image calculated i.e. how is decided which voxels
will be included in statistical analysis? I noticed in some mask images
that white matter is excluded from analysis, how come?
I want to calculate the inverse image of the mask.img to see what
regions in the brain are not incorporated in the statistical analysis.
How do I calculate the inverse image of the mask.img? I suppose I have
to use ImCalc but what function do I enter?
I would appreciate your help and advice,
Karel
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