[FieldTrip] Problems with ft_prepare_headmodel

[Tzvetan Popov]

Dear Uri,

the solution to the problem (mesh inflation) is outlined in this tutorial: http://www.fieldtriptoolbox.org/tutorial/natmeg/dipolefitting?s[]=natmeg&s[]=headmodel#procedure <http://www.fieldtriptoolbox.org/tutorial/natmeg/dipolefitting?s%5B%5D=natmeg&s%5B%5D=headmodel#procedure>

Scroll down to the section "Construct the EEG volume conduction model"
 <http://www.fieldtriptoolbox.org/tutorial/natmeg/dipolefitting?s[]=natmeg&s[]=headmodel#construct_the_eeg_volume_conduction_model>
Good luck,
tzvetan


> Am 02.07.2018 um 14:37 schrieb Uri Eduardo Ramírez Pasos <urieduardo at gmail.com>:
> 
> Dear Fieldtrippers,
> 
> I have followed the Salzburg tutorial (http://www.fieldtriptoolbox.org/tutorial/salzburg <http://www.fieldtriptoolbox.org/tutorial/salzburg>) to conduct EEG source reconstruction, but it doesn't work with some subjects' segmented mri files (whether I use dipoli or bemcp), due to intersections between surfaces. 
> 
> What are the typical trouble-shooting steps for this situation? I tried using a lower number of vertices for the mesh ([800 800 600]), to no avail. Are there any guidelines for the number of vertices? 
> 
> The number of subjects in my study is limited, so I would be loathe to exclude any subject from the analysis.
> 
> Best regards,
> 
> Uri Ramirez
> University of Würzburg
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