Hi - the mean_FA_mask is not very meaningful - FA is very low outside
the common white matter tracts. The main question is for example
whether the mean_FA and mean_FA_skeleton look like the examples in
the TBSS manual page.
Cheers, Steve.
On 17 Oct 2007, at 07:34, Wen, Wei wrote:
> Hi Steve and others,
> (please see the attachment)
> The "mean_FA_mask.nii.gz" generated after "tbss_3_postreg -S" is cut
> deep into brain tissue, while each individual
> "*_dti_FA_FAi_to_target_nonlinear_hr" looks OK, why the mask for them
> lose so much brain tissue and will it affect the final results please?
> Is there any control over it please?
>
> Wei
> <mask.png>
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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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