specificity statistics for ROI analyses: a simple proposal

The brain is a big place. In the context of fMRI analysis, what that bigness means is that a typical 3D image of the brain might contain anywhere from 50,000 – 200,000 distinct voxels (3D pixels). Any of those voxels could theoretically show meaningful activation in relation to some contrast of interest, so the only … Continue reading specificity statistics for ROI analyses: a simple proposal