[FieldTrip] EEG source reconstruction using fieldtrip (MRI not available)

Johanna Zumer johanna.zumer at gmail.com
Sun May 18 10:35:34 CEST 2014

Dear Ying,

Yes, that is possible (although in an ideal world, one does have the
subject's real MRI).

You might gain some help from
  or http://fieldtrip.fcdonders.nl/tutorial/headmodel_eeg (which also then
links you to http://fieldtrip.fcdonders.nl/template/headmodel) for the case
of using the MNI brain).


2014-05-17 23:23 GMT+01:00 Ying Li <yingli.ucla at gmail.com>:

> Dear all,
> Fieldtrip provides a great tool of using MRI to do MEG source
> reconstruction (http://fieldtrip.fcdonders.nl/tutorial/minimumnormestimate).
> Now I want to do EEG source reconstruction. The EEG cap we used is the
> standard 10-10 system, but the MRI of the subject is not available. I'm
> thinking to use another person's MRI instead (i.e. the MNI template). Does
> fieldtrip provide some tools to match the electrode location and the head
> model from another person?
> In addition, since MEG sensor positions are always defined relative to the
> fiducial coils, so we don't need to transform it into CTF coordinate system
> any more. When doing EEG source reconstruction, is there any extra steps
> needed? (i.e. transform the EEG sensor to some certain coordinate system,
> etc.) Thanks a lot!
> Best,
> Ying
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