the structures don't need a threshold. Do you know that pars triangularis is left lateralized? For the BAs will get you a solution
On Sat, 23 Jun 2012, Gabor Perlaki wrote: > Dear Bruce, > > We don't used any thresholding by ourselves, we just took BA44 volumes out > of the text-file in the stats directory. > Should we use thresholded values instead of the volumes reported by the text > files in the stats directory? > Could we use the volumes reported by the aparc.stats and aseg.stats files > for any statistical analyses, or do we need threshold that structures as > well? > > > Thanks, > Gabor > > 2012/6/23 Bruce Fischl <fis...@nmr.mgh.harvard.edu> > Hi Gabor > > are you thresholding the BA4 label? In 5.2 we will distribute > some tools to automatically threshold the labels so that the > predicted area has the average area of the input labels. The > right BA44 had more spatial spread than the left, so you might > be including a lot of low probability vertices. > > cheers > Bruce > > On Sat, 23 Jun 2012, Gabor Perlaki wrote: > > Dear Bruce, > > In the paper "Left-right asymmetry in volume and > number of neurons in adult > Broca's area." by Katrin Amunts, 10 subjects (5 men > and 5 women) were > studied, and the volume of BA44 was greater in the > left hemisphere than in > the right in all ten cases. So, it is very strange > that the volume of BA44 > was greater in the right hemisphere in all of the 80 > subjects analyzed by > Eniko. > > Thanks, > Gabor > > > > > The information in this e-mail is intended only for the person to whom > it is > addressed. If you believe this e-mail was sent to you in error and the > e-mail > contains patient information, please contact the Partners Compliance > HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you > in error > but does not contain patient information, please contact the sender > and properly > dispose of the e-mail. > > > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
