Hi Martin,

Thank you for your answer.

However, I would like to consider FA maps as a mass-univariate problem and
not a univariate voxel-by-voxel as hippocampal volume. Indeed, my voxels
aren't independant, are they ? So, how to correct for multiple comparisons
then ?

Best regards,

Matthieu

2015-09-29 15:04 GMT+02:00 Martin Reuter <mreu...@nmr.mgh.harvard.edu>:

> Hi Matthieu,
>
> if all your images are perfectly registered, you can do LME on a
> voxel-by-voxel basis, just as if you had hippocampal volume or any other
> ROI measure.
>
> Best, Martin
>
>
> On 09/29/2015 06:46 AM, Matthieu Vanhoutte wrote:
>
> Dear experts,
>
> I would like to know if it is possible to make a longitudinal study with
> LME toolbox from volume FA maps registered in a common space ?
>
> I don't have T1 images so the recon-all process couldn't be processed. But
> if I put my 3D FA volume of dim = [nx,ny,nz] in a 1D nx*ny*nz voxels
> format, could it be in good way for LME ?
>
> Thanks for helping !
>
> Best regards,
>
> Matthieu
>
>
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>
> --
> Martin Reuter, PhD
> Assistant Professor of Radiology, Harvard Medical School
> Assistant Professor of Neurology, Harvard Medical School
> A.A.Martinos Center for Biomedical Imaging
> Massachusetts General Hospital
> Research Affiliate, CSAIL, MIT
> Phone: +1-617-724-5652
> Web  : http://reuter.mit.edu
>
>
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