Awesome. I'm wondering if in doing this, there is a problem if I did
the opposite to extract the FA, interpolated the dtifit_FA.nii.gz
into T1 space, and extracted using the mask made below. Or are they
seen as different beasts?
Thanks!
Jeremy
On Nov 10, 2009, at 6:31 PM, Andreas Bartsch wrote:
> same vote as matt;)
> andreas
> ________________________________________
> Von: FSL - FMRIB's Software Library [[log in to unmask]] im Auftrag
> von Matt Glasser [[log in to unmask]]
> Gesendet: Dienstag, 10. November 2009 22:37
> An: [log in to unmask]
> Betreff: Re: [FSL] Extracting Mean Diffusivity
>
> I would transform the mask into diffusion space, that way you avoid
> interpolating the data you are measuring. Be sure to use
> nearestneighbour
> interpolation if it is a binary mask.
>
> Peace,
>
> Matt.
>
> -----Original Message-----
> From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On
> Behalf
> Of Jeremy Young
> Sent: Tuesday, November 10, 2009 3:21 PM
> To: [log in to unmask]
> Subject: [FSL] Extracting Mean Diffusivity
>
> Hello all,
>
> I am trying to extract mean diffusivity values using a mask from the
> output of probtrackx tracked in T1-space, normalized (by dividing by
> waytotal), and thresholded. To do this, is it best to transform the
> mask back into native space or transform the dtifit_MD.nii.gz file
> into T1 space.
>
> Thanks!
> Jeremy
>
>
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