Hi - yes, this seems reasonable, or you could just use the "Lancaster"
transform which explicitly aims to achieve this Talairach <-> MNI
space transformation; see the Lancaster paper in Human Brian Mapping
journal.
Cheers.
On 11 Nov 2008, at 14:43, Benny Liberg wrote:
> Dear list,
>
> I am trying to narrow down my search at second level. To do so, I have
> created a ROI mask based on a meta-analysis of similar experiments I
> did in
> Ginger-ALE. I wnat to transform the Ginger-ALE ROI mask into "FSL-
> MNI space"
> in order to use it in FEAT. So far, this have yielded heterogenous
> results
> with slight displacements between masks depending on how I retrieved
> the
> matrix. This is why I am wondering if anyone has any comments on the
> procedure?
>
> I used the flirtsh script to obtain the right FOV and voxel size for
> the ROI
> mask exported from Ginger-ALE. Thereafter I registered the colin-
> brain to
> MNI152_T1_2mm using 12 DOF in FLIRT and used the matrix as follows:
>
> flirt -in name_p05.nii -ref
> /Users/bennyliberg/Neusoft/fsl/data/standard/MNI152_T1_2mm.nii.gz -
> init
> /Users/bennyliberg/Desktop/colin_2_MNI152.mat -applyxfm -out name_mask
>
> Does this seem reasonable?
>
> Regards,
> Benny
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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