[Eeglablist] DIPFIT

[Arnaud Delorme]

Dear Federica,

there use to be a way to plot dipoles projected on 2-D BESA like head model (Besa 3.0).
However, the code has been lost. We used BESA screen captures, removed the background and coregistered the images with our head model. See

http://sccn.ucsd.edu/~arno/mypapers/DelormeCNS2001.PDF

I am attaching the images that were used in this paper. These images may be used in the function old and obsolete function brainmovie which take care of the coregiration (not sure the code works, but the old function is still in the brainmovie plugin of EEGLAB).
Best,

Arno



On Sep 6, 2013, at 7:43 AM, Scott Makeig <smakeig at gmail.com> wrote:

> Frederica -
> 
> We have never thought of doing this since we know that spherical head models are less accurate than realistic models.  Zeynep and I have recently published her careful simulation results on this here. 
> 
> It is certinaly possible to do this in software, but would require programming on your part - Arno, is there an easier way I havent' thought of?
> 
> Scott Makeig
> 
> 
> On Thu, Sep 5, 2013 at 6:09 PM, Federica FONTI <federica.fonti at telecom-bretagne.eu> wrote:
> Good morning,
>  I'm using the DIPFIT of eeglab for my thesis: as head model I want to use the spherical model(4 spheres) and then Id lie to represent the dipoles in spherical image instead of the MRI images as I read in the tutorial. Can you tell me how to do? I need this type of model to be able to make comparisons with another part of the work. Thanks, I hope for your answer.
> Federica
> 
> 
> 
> 
> -- 
> Scott Makeig, Research Scientist and Director, Swartz Center for Computational Neuroscience, Institute for Neural Computation, University of California San Diego, La Jolla CA 92093-0559, http://sccn.ucsd.edu/~scott
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