[Mne_analysis] [mne_analysis] Using custom forward models

[Morgan Hough]

        External Email - Use Caution        

Hi Arne,

I would be very interested in hearing more about what you are working on
when you have time. Many of the open FEM tools that are available are
geared towards TMS/TES modeling as opposed to source imaging. Are you still
using FreeSurfer for initial processing in the construction of your FEM
head model (like iso2mesh, ROAST, forward, SimNIBS, etc.)? We lose the FS
meshes we start with during tetrahedralization but I had always wanted to
use dipoles constrained to the surface and then bring the estimated
timecourses back to surface space to use mne or FreeSurfer/PySurfer for
visualization. FieldTrip-SimBio does seem to have proper accommodation for
FEM head model source estimation but I have not used it myself. Interested
to learn more if anyone has or knows of other working options.

Cheers,

-Morgan

On Mon, Dec 10, 2018 at 3:22 PM <neuro at aewald.net> wrote:

>         External Email - Use Caution
>
> Dear Alex, dear Sebastian,
>
> I am also very interested in using custom forward models with MNE and I am
> in the (very slow - just a tiny side project for now) process of looking
> into the forward model and modifying the Python objects there. I'll let you
> know once I have something tangible. I would also be happy to be updated
> from your side.
>
> @Alex: I am wondering - once having the FW model complete - if I can use
> all subsequent functionality e.g. for plotting without freesurfer?
>
> Thanks, Arne
> > On 07 December 2018 at 15:22 Alexandre Gramfort <
> alexandre.gramfort at inria.fr> wrote:
> >
> >
> > External Email - Use Caution
> >
> > I fear you need to reverse engineer the MNE forward object to make this
> > happen.
> >
> > Alex
> >
> > On Fri, Dec 7, 2018 at 2:59 PM Sebastián Castaño-Candamil <
> > sebastian.castano at blbt.uni-freiburg.de> wrote:
> >
> > > External Email - Use Caution
> > >
> > > Hi all!,
> > >
> > > has anybody tried to work in MNE with the *NY head model *published by
> > > Stefan Haufe/Yu Huang?
> > > https://www.parralab.org/nyhead/
> > > Is there any utility function to import external head models (maybe
> *not *computed
> > > with freesurfer)? Or is this something that has to be done by
> hand/reverse
> > > engineering the mne forward model functions?
> > >
> > > Thanks a lot for any hints on this!
> > >
> > >
> > > *Sebastian Castaño-Candamil*
> > > Doctorate student
> > > Brain state decoding lab
> > > University of Freiburg
> > > E // sebastian.castano at blbt.uni-freiburg.de
> > >
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