[Eeglablist] about dipole fitting with DIPFIT2

[Arnaud Delorme]

Dear Hui-bin,

you should always check that your channel montage is coregistered (aligned) with the DIPFIT model by pushing the "Manual coregistration" button. The channel in your montage and in the model must have (approximately) the same 3-D location. In some cases -- when your montage and the model use the same channel coordinates -- registration is not required. EEGLAB will attempt to detect automatically which coregistration is required -- in case you are using standard channel locations -- but it is always good to double check.

Best,

Arno

On Jun 1, 2012, at 5:17 AM, Hui-bin Jia wrote:

> Hi,everyone
>      I have some questions about "setting model and preferences". The wiki tutorial(http://sccn.ucsd.edu/wiki/A08:_DIPFIT) gives us two solutions. In the first solution, "no co-registration is required". But in the second solution, we will need to align or co-register our electrode locations with the head model.  And  the solution for the sample dataset(eeglab_dipole.set) is the first solution. 
>      If I use the first solution,  the dipole positions of component 3 and component 5 were far from the dipole positions of component 3 and component 5  which were given in this page.   If I use the second solution, the dipole positions of component 3 and component 5 were the same as the dipole positions of component 3 and component 5  which were given in this page.
>     So I think the correct solution is "SOLUTION 2", not "SOLUTION 1".  Am I right?  
>     Thank you !
> Hui-bin Jia
>    
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