I am doing research on human auditory system and I use event-related potentials. I learned that instead of voltage map, current density map may provide more information about the underlying neural sources. So I am curious if there's any open-source Matlab-based toolbox (or just several m-files) that can realize the transform.
I found a software named ELAN may be able to do that, but it's only for Linux system.
You can try the EEGLAB. It is a very common used toolbox based in Matlab.
Fieldtrip can be a good option for this. If you are familiar with scripting in MATLAB, you can utilize this toolbox.
http://www.fieldtriptoolbox.org/
I would recommend to try either CSD toolbox (http://psychophysiology.cpmc.columbia.edu/Software/CSDtoolbox/) or function ft_scalpcurrentdensity in Fieldtrip.
Thank you all, Yuri, Aykut, and Xieshun.
I tried CSD toolbox. It is straightforward and user-friendly.
I haven't tried the Fieldtrip function yet. I guess I need more time to figure out the data structure for Fieldtrip.
I don't find any voltage-SCD transform in EEGLAB.
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