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Connected topoplot

version 1.1 (136 KB) by

Visualize networks in your EEG data



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This function is only slightly modified from the original topoplot.m function which is part of EEGLAB. I have used EEGLAB v6.01b while modifying the topoplot function into topoplot_connect. The main purpose is visually summarized in the attached screenshot.

I used the topoplot_connect function while developing a method for isolating transient task-induced networks in the brain at Cognitive Neuroscience Lab, DUKE-NUS Graduate Medical School. The idea can be summarized visually in the graphic included with the script.

To view help in MATLAB, type the following at the command prompt >> showdemo pn_tc_demo

My blog entry for connected topoplot is at

If you are interested in learning more, or have comments, suggestions and/or requests for this function, please drop me an email - praneeth at

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Included a link to my blog entry on the subject and updated the 'requirements' section

MATLAB Release
MATLAB 7.9 (R2009b)

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