Dear All,
I have been generating Volumes of Interest for my participants, and one of them has no significant voxels in one of my VOIs, unless the significance threshold is relaxed to 0.9. Even then, only 5 voxels are found.
With 5 voxels, the signal/noise ratio will be poor, so I could relax my significance threshold further, but similarly, the signal/noise ratio will suffer.
I was wondering if there is a minimum number of significant voxels others go by when extracting VOIs? Or a maximum statistical threshold?
Any advice would be helpful!
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