Yes, it is accurate. Why do you think it's not? There's lots of validation stuff on the wiki. The subcortical gray matter structures are given below. Left_Thalamus) Right_Thalamus) Left_Thalamus_Proper) Right_Thalamus_Proper) Left_Caudate) Right_Caudate) Left_Putamen Right_Putamen Left_Pallidum) Right_Pallidum) Brain_Stem) Left_Hippocampus) Right_Hippocampus) Left_Amygdala) Right_Amygdala) Left_Accumbens_area) Right_Accumbens_area) Left_VentralDC) Right_VentralDC) Left_Substancia_Nigra) Right_Substancia_Nigra) Left_Cerebellum_Cortex) Right_Cerebellum_Cortex)
Eisenstein, Sarah wrote: > Thank you for your response. However, is this considered an accurate > estimation of subcortical volume? As far as I know, Freesurfer is unable to > estimate some deep subcortical structure volumes. So what is subcortical > volume (as given by Freesurfer aseg.stats) composed of? > > -----Original Message----- > From: freesurfer-boun...@nmr.mgh.harvard.edu > [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N Greve > Sent: Monday, January 10, 2011 4:39 PM > To: Eisenstein, Sarah > Cc: freesurfer@nmr.mgh.harvard.edu > Subject: Re: [Freesurfer] (no subject) > > The aseg.stats file takes into account partial voluming which is not > taken into account when you simply sum up the subcortical structures > because some of those structures will be partially volumed with white > matter. > > doug > > Eisenstein, Sarah wrote: > >> Hello, >> >> >> >> What goes into the calculation of subcortical volume? We have tried >> adding volumes of individual subcortical areas but the total does not >> equal the subcortical volume provided by aseg. Is the subcortical >> volume calculation accurate? >> >> >> >> Thanks, >> >> >> >> Sarah Eisenstein >> >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Freesurfer mailing list >> Freesurfer@nmr.mgh.harvard.edu >> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >> > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer 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.
