[Eeglablist] How to use laplacian filter by EEGLAB

[Yuan-fang Chou]

Dear Arno and Lin,

Why not use del2map() functions? As I know, it calculates the 2-D laplacian
transform of the EEG data.

Cheers.


2013/3/20 Arnaud Delorme <arno at ucsd.edu>

> Dear Lin,
>
> I would advise using the Current Source Density Matlab toolbox.
> John J.B. Allen has graciously provided sample scripts demonstrating how
> to use the CSD toolbox with EEGLAB.
>
> http://psychophysiology.cpmc.columbia.edu/software/CSDtoolbox/index.html
>
> Maybe someone could write a plugin?
> Best,
>
> Arno
>
> On 10 Mar 2013, at 17:15, Lin Du wrote:
>
> > Dear List,
> >
> > I would like to use laplacian filter to pre-process the EEG data to
> > enhance the EEG feature of local synchrony. Does anyone know how to
> > use EEGLAB/pulg-ins of EEGLAB to do it?
> >
> > Thanks,
> >
> > Lin
> >
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-- 
Yuan-Fang Chao
School of Psychology
SouthWest University
Beibei,Chongqing,China
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