afni.nimh.nih.gov

> So the ICC map under 'Subj' sub-brick can be interpreted as what?

I'm not sure what you're asking. That sub-brick is the voxel-wise ICC value.

> What is the typical threshold for the map?

A loose rule of thumb has been adopted as the following: [0, 0.4), poor; [0.4, 0.6), fair; [0.6, 0.75), good; and [0.75, 1], strong. See more discussion here: [onlinelibrary.wiley.com]

Gang