[FieldTrip] using freesurfer cortical atlases

[jan-mathijs schoffelen]

Hi Luke,

If you read in the *.fif sourcemodel using ft_read_headshape, it contains a field called 'orig'. The subfield orig.inuse links the vertices in the high resolution tessellation to the vertices in the sourcemodel.

Best 

Jan-Mathijs

On Nov 7, 2012, at 3:00 PM, Luke Bloy wrote:

> Hi,
>  
> I’m using cortically constrained mne to look at some auditory ERfs. I’m roughly following this tutorial, http://fieldtrip.fcdonders.nl/tutorial/minimumnormestimate. What I would like to do is to impart some anatomical information onto my findings. I can load the desikan atlas created by freesurfer using ft_read_atlas, but the points I get from this don’t match the points I get from the sourcespace that I created with mne_setup_source –iso -6.
>  
> Does anyone have any experience with this?
>  
> Thanks,
> Luke
>  
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Jan-Mathijs Schoffelen, MD PhD 

Donders Institute for Brain, Cognition and Behaviour, 
Centre for Cognitive Neuroimaging,
Radboud University Nijmegen, The Netherlands

Max Planck Institute for Psycholinguistics,
Nijmegen, The Netherlands

J.Schoffelen at donders.ru.nl
Telephone: +31-24-3614793

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