Hi Ed, Thanks for that reassurance! Nice to know I didn't do something wrong! I'll have a read through of this literature, thank you so much!!!
Fatima -----Original Message----- From: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Ed Gronenschild Sent: 08 July 2011 16:51 To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Freesurfer and VBM Hi Fatima, Your findings are not surprising. There is plenty of literature describing problems with the VBM technique. You may read e.g., Kennedy et al (2009), Neurobiology of Aging, vol. 10, 1657-1676 and references cited herein. Ed On 8 Jul 2011, at 15:02, freesurfer-requ...@nmr.mgh.harvard.edu wrote: > > Hello, > > I'm wondering if anyone could help me out with a question I had. For > a study I'm working on, I'm comparing the regional brain volumes in > adolescents with and without PTSD. I ran VBM analysis and Freesurfer > on my subjects and I found some significant results on VBM (however, > only using uncorrected p values) and on Freesurfer, I found no group > differences in brain regions. Is there an explanation for that? > > If anyone has any thoughts I'd really appreciate it. Thank you kindly! > > Fatima _______________________________________________ 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
