Hi Krista

the unthresholded labels give every point that has a non-zero probability of being in the label, no matter how unlikely. The .thresh ones are thresholded to pick the most likely vertices that give a label that is the right surface area.

cheers
Bruce

On Sun, 17 Nov 2013, krista kelly wrote:

Hi, I've just started using the newest freesurfer v 5.3 and I've noticed in
the labels folder that every .label has a thresh.label. When overlaying the
two, they can be quite different (for example MT.label is much larger than
MT.thresh.label) or quite similar (V1.label is just a tiny bit larger than
V1.thresh.label). What is the difference between the two and which is best
to use?
Thanks!
Krista

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