Excellent, thanks! 2016-10-12 20:27 GMT+02:00 Douglas N Greve <gr...@nmr.mgh.harvard.edu>:
> > > On 10/08/2016 02:43 AM, Anders Hougaard wrote: > > Dear Freesurfers, > > > > Please see the attached image. > > It shows inflated fsaverage surface with gamma.mgh overlaid. > > Gamma.mgh is from one contrast of a standard group analysis of > > cortical thickness (two groups A and B, two contrasts A>B and B>A). > > > > 1) Is it correct to interpret the gamma values as between-group > > difference of cortical thickness in mm? > It depends on how you set up the contrast. If it is a simple A vs B, > then yes, mm is correct. > > > > 2) I would like to reproduce the histogram in another software. Is it > > possible to extract the gamma values for each vertex for this purpose? > You can do it in matlab easily enough, eg, > gamma = MRIread('gamma.mgh'); > gamma.vol will be the pixel values > > > > All the best, > > Anders > > > > > > _______________________________________________ > > 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 > > > 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. >
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