[FieldTrip] Head model for a phantom

McGowin, Inna mcgoiv0 at wfu.edu
Tue May 27 16:18:28 CEST 2014

Hello Vladimir,
According to the CTF MEG tech support to apply DipFit or SAM to the Current
Dipole phantom recordings you need to change (0,0,4) sphere center to
(0,0,0) and multiple spheres to a single sphere model for SAM.Thus you are
correct. To view the results of SAM any MRI can be used.


On Tue, May 27, 2014 at 9:29 AM, Vladimir Litvak
<litvak.vladimir at gmail.com>wrote:

> Dear all,
> I need to to do source reconstruction of activity generated with current
> dipole phantom in CTF MEG. The HPI coils were at the front and sides as
> they would be for a subject. I was thinking I could just make a single
> sphere vol with origin set at [0 0 0] as that would coincide with the
> center of the phantom in this case. The radius shouldn't matter anyway if
> we are not fitting it to anything, right?
> Please let me know if you think this is the right approach.
> Thanks,
> Vladimir
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