Hi Don
no, it doesn't make sense for the aparc since it is a complete tiling of the surface. Each point is assigned the most likely label with no holes, so no thresholding is needed.
cheers Bruce On Thu, 11 Sep 2014, Krieger, Donald N. wrote:
Hi Anastasia or anyone,
Are there any other groups of labels which are, by default, produced in comparable less vs more restrictive ways?
For instance, is there a way to produce lh.aparc.thresh.annot with comparably constrained labels?
And does it make sense to do so?
Regards,
Don
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On 14-09-08 12:39 PM, Anastasia Yendiki wrote:
Hi David - On the difference between .thresh and "not .thresh" labels:
The BA labels come from averaging histologically derived labels from
a set of post mortem brains. The non-thresholded version is just the
sum of the corresponding labels from the different brains in
fsaverage space. So vertices are included even if only one of the
brains had their BA in that vertex, which means that these labels
are going to be rather large. In the thresholded version, a
threshold has been applied to the average BA label, to make it have
an area as close as possible to the average area of the individual BA
labels. I hope this makes sense.
a.y
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