Hiya
can you run bedpost_datacheck on the input directory and send us the
output please - this should tell you if the problem is an easy one.
Tim
On Thu, 14 Oct 2004, D Brennan wrote:
> Hi Folks,
>
> I have been trying to use FDT for DTI and I have come across a problem.
>
> My data consists of a 4D set containing 1 b0 volume followed by 25 direction
> volumes at b1000. I have bvals and bvecs set each with 26 entries (1 dummy
> entry at the start in bvecs and the first bval set to 0) and a single brain
> mask volume produced using BET on the b0 data volume.
>
> However, when II run FDFIT on this data it produces blank results for all
> except the _S0 volume.
>
> Can anyone suggest where I am likely to be going wrong? It does not appear
> to be a software problem as I have the same problem running it under linux
> and windows.
>
> Thanks for your help
>
> Dave
>
--
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Tim Behrens
Centre for Functional MRI of the Brain
The John Radcliffe Hospital
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Oxford University
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