Dear Douglas, What should I do next? I do not know how to use the freesurfer to calculate the correlation different of two group. So could you give me some advice? Yours Linda
2014-03-27 19:18 GMT-04:00 Linda Xu <lynda....@gmail.com>: > Dear Douglas, > OK, I will figure it out. And my next question is that, What should I do > next? I do not know how to use the freesurfer to calculate the correlation > different of two group. So could you give me some advice? > > > 2014-03-27 19:06 GMT-04:00 Douglas Greve <gr...@nmr.mgh.harvard.edu>: > > >> Surface-based analysis is an alternative to talairach-based analysis. It >> does not make sense to do both. Is the AFNI talairach space affine (ie, 12 >> dof)? If so, then it is possible to undo the resampling to talairach space. >> You will need to know which space the afni results are in (ie, MNI152 or >> MNI305 or something else? 1mm or 2mm?) >> doug >> >> >> >> >> >> On 3/27/14 5:06 PM, Linda Xu wrote: >> >> Dear Douglas, >> I do not understand what's your meaning? Yes I think the afni results has >> already alined to T1.mgz, so it is already in talairach space. I do not >> know what to do next? As I have two groups subjects. I do not know what to >> analysis the correlation different between two groups by using >> surface-based analysis of freesurfer. >> Linda >> Message: 5 >> Date: Wed, 26 Mar 2014 14:05:46 -0400 >> From: Douglas N Greve <gr...@nmr.mgh.harvard.edu> >> Subject: Re: [Freesurfer] Problem about the fMRI Analysis? >> To: freesurfer@nmr.mgh.harvard.edu >> Message-ID: <533316fa.50...@nmr.mgh.harvard.edu> >> Content-Type: text/plain; charset=ISO-8859-1; format=flowed >> >> >> Are the AFNI results already in talairach space? If so, then there is no >> point in going to surface space. >> doug >> >> >> On 03/26/2014 01:22 PM, Linda Xu wrote: >> > I get the correlation result between two condition of the functional >> > data by using AFNI( I do not know how to do correlation by using >> > freesurfer) >> > And then I use the bbregister to aline the correlation result (produce >> > by Afni) to the anatomical result produced by using freesurfer. >> > Next I using mri_vol2surf to aline the each one's functional result to >> > the fsaverage offer by freesurfer. >> > My question is :1 Should I need to do mri_vol2vol next for each subject? >> > 2 I have two group of subjects. I want to know >> > if there is some correlation different between them? What should I do >> > next? >> > Thanks very much! >> > Linda >> > >> >> >> 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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