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- Open the *_corrp_fstat1.nii.gz in mricron
- Set the range to start from 0.95
- Open *_glm_cope_tstat1.nii.gz
- Make sure Yoke is set in mricro (Window menu)
- In the corrp_fstat1 file, move the cursor to a non-zero location >0.05 (a significant voxel)
- Look at the value in glm_cope_tstat1; this is the size in voxel dimensions of the effect. For example, if the cope is 0.5 and the image resolution is 1mm^3, the the group effect is an increase of 0.5mm outward expansion at that voxel.
- This assumes that the control group is "1" and the patient group "2" in the design matrix.
To check your variables:
Open Notepad, and drag file the "design.mat" into the application. You will see columns for each variable. Here is an example with group, age and sex:
