[Eeglablist] dipole localization at ERP

[Makoto Miyakoshi]

Dear Sigona,

There must have been Arno's post to this list explaining how to use EEGLAB
Dipfit to fit a diple to scalp topo of certain latency. Why don't you check
out the archive (sorry I don't have time to find it for you).

Makoto

2013/2/18 Francesco Sigona <francesco.sigona at unisalento.it>

>  Hello guys,
>
> I recently started using eeglab with which I would like to carry out a
> dipole fitting on ERPs data (N100).
> I usually use BrainVision Analyzer to work with ERPs, but this software
> cannot do the dipole localization.
>
> I cleansed the signals with ICA (on BrainVision analyzer), I ran an
> average of the different epoques and I imported the data (65 sensors, 70 time
> points) in eeglab. Then I followed the tutorial about dipfit (
> http://sccn.ucsd.edu/wiki/A08:_DIPFIT#Using_DIPFIT_to_fit_EEG_or_ERP_scalp_maps
> ) but I have not got encouraging results.
> For this reason I ask you some indication of the method to be followed,
> if it is necessary or not perform dipfit of ICA (but which components and
> how should be selected?) or can I use dipfit_erpeeg.
> I really hope in a help.
> Thanks in advance.
>
> --
> Francesco Sigona
> CRIL - Università del Salento
> via Pappacoda, 12
> 73100, Lecce - Italy
> web: http://www.cril.unisalento.it
> tel.: +39 0832 332097
> fax.: +39 0832 252570
>
>
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-- 
Makoto Miyakoshi
JSPS Postdoctral Fellow for Research Abroad
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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