no, it does not include cerebellum On 06/03/2013 01:42 PM, Ritobrato Datta wrote: > In the website below, > lhCorticalWhiteMatter,rhCorticalWhiteMatter,CorticalWhiteMatter - volume > inside the white surface minus anything that is not WM. CorticalWhiteMatter > includes hypointensities. This uses the surface-based volume computation for > part of the calculation and counts voxels to subtract "anything not in WM". > It is approximately equal to the count of WM voxels in aparc+aseg.mgz. > > Since, cerebellar wm is in the aparc+aseg.mgz so that means its included in > the CorticalWhiteMatter, correct ? > > ----- Original Message ----- > From: Douglas N Greve <gr...@nmr.mgh.harvard.edu> > To: Ritobrato Datta <rida...@mail.med.upenn.edu> > Cc: Freesurfer@nmr.mgh.harvard.edu > Sent: Mon, 03 Jun 2013 13:19:54 -0400 (EDT) > Subject: Re: [Freesurfer] Repost: question abt supratentorial vol and total > brain vol. > > > See if this answers your question > http://surfer.nmr.mgh.harvard.edu/fswiki/MorphometryStats > this is for v5.2 and beyond > > On 06/03/2013 01:07 PM, Ritobrato Datta wrote: >> ic thats right....I was getting confused. So the total gm vol includes >> cerebellar gm vol but the cortical wm vol only includes the wm vol under the >> cortical ribbon and around the subcortical gm structures....? Or does that >> include wm under the cerebellar cortex as well ? >> >> Is there a table somewhere which specifies which of these freesurfer >> parcellated structures contribute to these combined measures such has >> supratentorial vol / whole gm vol etc etc.... >> >> That will be very helpful. >> >> >> >> ----- Original Message ----- >> From: Douglas N Greve <gr...@nmr.mgh.harvard.edu> >> To: Ritobrato Datta <rida...@mail.med.upenn.edu>, >> Freesurfer@nmr.mgh.harvard.edu >> Sent: Mon, 03 Jun 2013 12:59:30 -0400 (EDT) >> Subject: Re: [Freesurfer] Repost: question abt supratentorial vol and total >> brain vol. >> >> >> Hi Rito, I don't think we report a total wm volume, do we? >> doug >> >> >> >> >> On 06/03/2013 12:56 PM, Ritobrato Datta wrote: >>> Hi Doug, >>> >>> Just following up on your reply sometime back - >>> Does total white volume include cerebellar wm vol also ? >>> >>> Please let me know. >>> >>> Thanks >>> >>> Rito >>> >>> ----- Original Message ----- >>> From: Douglas N Greve <gr...@nmr.mgh.harvard.edu> >>> To: freesurfer@nmr.mgh.harvard.edu >>> Sent: Fri, 24 May 2013 17:36:18 -0400 (EDT) >>> Subject: Re: [Freesurfer] Repost: question abt supratentorial vol and total >>> brain vol. >>> >>> Total Gray includes the cerebellar gray >>> doug >>> On 05/24/2013 03:51 PM, Ritobrato Datta wrote: >>>> Hello All, >>>> >>>> Can someone address the following ? I sent this query yesterday but it >>>> fell through the cracks. >>>> >>>> I am using freesurfer 5.1 for my analysis. >>>> >>>> I am interested in calculating the whole brain vol (total Gray vol + total >>>> WM vol) excluding the CSF volume and cerebellum. >>>> >>>> Total Brain Vol = TotalGrayVol + CorticalWhiteMatterVol >>>> >>>> In all of the 79 subjects, when I compare the Total Brain Vol to >>>> SupraTentorialVol, I find SupraTentorialVol is smaller than the Total >>>> Brain Vol I have calculated. >>>> >>>> Here are some measures - >>>> >>>> For 79 subjects - >>>> >>>> Average Total Brain Vol = 1038395.291 >>>> >>>> Average SupraTentorialVol = 979996.4684 >>>> >>>> Is that expected ? >>>> >>>> Is it possible that CSF vol is part of Total Brain Vol ? >>>> >>>> Any insight will be helpful. >>>> >>>> Thanks >>>> >>>> Rito >>>> >>>> _______________________________________________ >>>> 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. >>>> >>>> >>>> _______________________________________________ >>>> 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: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
