Hi Alan we produce lots of curvature measures. Which one do you mean? Which file are you reading it from?
Bruce On Tue, 17 Aug 2010, Alan Francis wrote: > Hi Bruce: > > As you know - along with Volume, Thickness and SA, FS also gives curvature > numbers for the 5 subregions of the CC. In my dataset, which is comparing > High risk offsping of SZ subjects and healthy controls, the curvature > numbers show a siginficant difference (p < 0.03) between the groups. In > addition these curvature numbers are negatively correlated with aspects of > cognition such as working memory and attention (p < 0.002). > > I am finding difficulty interpreting the results since I am unsure how > curvature is measured. > > thanks, > > Alan > > On Mon, Aug 16, 2010 at 7:18 PM, Bruce Fischl > <fis...@nmr.mgh.harvard.edu>wrote: > >> Hi Alan, >> >> which curvature index do you mean? >> >> Bruce >> >> On Mon, 16 Aug 2010, Alan Francis wrote: >> >> Hi All: >>> >>> Does a lower score on the curvature index of the CC (as done by >>> FreeSurfer) >>> imply that the Corpus Callosum is more curved (smaller radius) or is it >>> the >>> other way around? >>> >>> >>> thank you, >>> >>> Alan >>> >>> |~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~|~| >>> >>> Alan Francis >>> Brain Spectroscopy and Neuroimaging Lab >>> Beth Israel Deaconess Medical Center >>> Dept of Psychiatry >>> Harvard Medical School >>> Boston 02215 >>> >>> >> >> 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
