New subject: lh.BA.annot vs lh.BA.thresh.annot ... generalization question

11 Sep 2014


      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:
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Hi David - On the difference between .thresh and "not .thresh" labels:
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The BA labels come from averaging histologically derived labels from
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a set of post mortem brains. The non-thresholded version is just the
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sum of the corresponding labels from the different brains in
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fsaverage space. So vertices are included even if only one of the
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brains had their BA in that vertex, which means that these labels
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are going to be rather large. In the thresholded version, a
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threshold has been applied to the average BA label, to make it have
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an area as close as possible to the average area of the individual BA labels. I hope this makes sense.
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a.y
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