[Mne_analysis] FLASH sequence for BEM

[dgw]

Hi Jon,

If your results look comparable, then there shouldn't be a problem.
The crashing problem can be fixed by adding more RAM to the console
computer.

HTH,
D

On Thu, Oct 9, 2014 at 3:07 PM, Jon Houck <jhouck at unm.edu> wrote:
> Hi all,
>
> I've been using FLASH sequences based on the 5- and 30-degree FLASH from MGH
> (http://www.nmr.mgh.harvard.edu/~andre/MGH_Morphometry_3T.pdf) with the
> Siemens 32-channel head coil.  Image reconstruction fails for this sequence
> on a fairly regular basis, possibly due to the additional data (8 echoes x
> 32 channels) overwhelming the MR acquisition computer.  As far as I can tell
> remote reconstruction is only an option for EPI sequences.
>
> The simplest option might be dropping a few echoes from the sequence.  When
> I do this the inner skull surface produced by a slightly-modified
> mne_flash_bem looks comparable for 8 echoes and for 5 echoes (i.e., the
> echoes at 11.85, 13,85, and 15.85 ms were dropped).  I've only been able to
> test this on a couple of subjects.  Has anyone done something similar or
> anticipate any problems with BEM construction using this approach?
>
> Thanks,
>
> Jon
>
>
>
>
>
>
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