[FieldTrip] FEM head model and source model

[Schoffelen, J.M. (Jan Mathijs)]

Jeff,

You could start with checking the tutorial on minimum norm estimation. This contains a section on how you can create a cortically constrained source model using Freesurfer.

Jan-Mathijs

On Nov 20, 2015, at 12:52 AM, K Jeffrey Eriksen <eriksenj at ohsu.edu<mailto:eriksenj at ohsu.edu>> wrote:

Hi again,

I posted this a month ago and got no response. Is there anyone who could orient me some more to the FEM capabilities of FieldTrip please? I am a newbie, and the immensity of what is available is a bit overwhelming.

Thanks,
-Jeff


From: K Jeffrey Eriksen
Sent: Wednesday, October 21, 2015 4:30 PM
To: 'fieldtrip at science.ru.nl<mailto:fieldtrip at science.ru.nl>'
Subject: FEM head model and source model

I am thinking of using FieldTrip for EEG source modeling, and wish to use an FEM formulation. I have found documentation on creating an FEM head model, but am unsure how to create a matching source model. Can someone please point me to documentation for this? Ideally I would want to place sources perpendicular to the local cortical surface. Also I would want to be able to create distributed sources combining several adjacent cortical elements.

Thanks,
-Jeff Eriksen

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