Thank you. So what does this mean in terms of interpretation of
results?. Can I trust results location as seen on the mean_FA image?
Thanks,
Naama
On Jun 21, 2008, at 4:38 PM, Steve Smith wrote:
> Hi - this is because in that old original version of TBSS the
> registration to standard space was from the most typical subject to
> standard space, affine-only - so that's not surprising - and this
> is fine, the only downside being that it's a little harder to
> exactly interpret the exact positions in standard space. Later
> versions of TBSS (e.g. in FSL 4.0) by default register all subjects
> directly to standard space and so this issue is greatly improved.
>
> Cheers.
>
>
> On 21 Jun 2008, at 07:12, Naama Barnea-Goraly wrote:
>
>>
>>
>> Dear FSL experts,
>>
>> I am running a TBSS study using FSL3.3 (for consistency with a
>> previous analysis), but the skeleton generated is not perfectly
>> aligned with the MNI template; mostly around the splenium. The
>> skeleton looks fine on the mean_FA image, but not on the MNI
>> template (see image).
>> I have been using flirt to improve registration as per previous
>> communications of several people on the list and this is my best
>> result.
>>
>> Is there anything I can do to improve image transformation to MNI?
>>
>> Thank you for your help,
>>
>> Naama
>>
>> <CC_image.tif.zip>
>>
>>
>>
>> Naama Barnea-Goraly M.D.
>> Instructor
>> Center for Interdisciplinary Brain Sciences Research
>> Stanford University Division of Child and Adolescent Psychiatry
>> 401 Quarry Rd. MC 5795
>> Stanford University School of Medicine
>> Stanford, CA 94305-5795
>> Phone: (650) 736-1874, fax: (650) 724-4794
>>
>>
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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)
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