Hi,
If the fieldmap is acquired with a non-distorted
sequence (not an EPI) then it doesn't matter
what direction the phase encode is for that
sequence. It is only important to know what
the phase encode direction is for the EPI
acquisition.
All the best,
Mark
On 10 Sep 2010, at 14:57, Michael Roche wrote:
> Hello,
>
> I was just wondering if anybody knew if the phase encode direction of
> the field map and the functional EPI images needs to be the same for
> unwarping with FUGUE, and if so why??
>
> Thanks
>
> Michael
>
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