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<div class="moz-cite-prefix">Hi all - <br>
<br>
I would like to toss in one more option - SSLTOOL, which was put
together by Siyi Deng in my lab. It does Laplacians on a sphere
using a 3-D spline detailed in papers and Nunez and Srinivasan
(2006), but also can do Laplacians on a realistic 3-D MRI
generated mesh using the methods described in our recent IEEE
Transactions on BME paper. I believe it plays nicely with EEGLAB
data formats. <br>
<br>
<a class="moz-txt-link-freetext" href="http://ssltool.sourceforge.net/index.html">http://ssltool.sourceforge.net/index.html</a><br>
<br>
ramesh<br>
<br>
<br>
<br>
On 03/25/2013 06:35 PM, Yuan-fang Chou wrote:<br>
</div>
<blockquote
cite="mid:CADmonSo+07HOqE1_NCHjHYrPpR7rRor4-Tfdnqj99m3xP1LWtg@mail.gmail.com"
type="cite">
<div dir="ltr">
<div style="">Dear Arno and Lin,</div>
<div><br>
</div>
Why not use del2map() functions? As I know, it calculates the
2-D laplacian transform of the EEG data.
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<div style="">Cheers.</div>
</div>
<div class="gmail_extra">
<br>
<br>
<div class="gmail_quote">2013/3/20 Arnaud Delorme <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:arno@ucsd.edu" target="_blank">arno@ucsd.edu</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
Dear Lin,<br>
<br>
I would advise using the Current Source Density Matlab
toolbox.<br>
John J.B. Allen has graciously provided sample scripts
demonstrating how to use the CSD toolbox with EEGLAB.<br>
<br>
<a moz-do-not-send="true"
href="http://psychophysiology.cpmc.columbia.edu/software/CSDtoolbox/index.html"
target="_blank">http://psychophysiology.cpmc.columbia.edu/software/CSDtoolbox/index.html</a><br>
<br>
Maybe someone could write a plugin?<br>
Best,<br>
<br>
Arno<br>
<div class="HOEnZb">
<div class="h5"><br>
On 10 Mar 2013, at 17:15, Lin Du wrote:<br>
<br>
> Dear List,<br>
><br>
> I would like to use laplacian filter to pre-process
the EEG data to<br>
> enhance the EEG feature of local synchrony. Does
anyone know how to<br>
> use EEGLAB/pulg-ins of EEGLAB to do it?<br>
><br>
> Thanks,<br>
><br>
> Lin<br>
><br>
> _______________________________________________<br>
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</blockquote>
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<br>
<br clear="all">
<div><br>
</div>
-- <br>
Yuan-Fang Chao <br>
School of Psychology<br>
SouthWest University<br>
Beibei,Chongqing,China<br>
<br>
<br>
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