[Eeglablist] Plotting 3D voltage topography at single time point

Clement Lee cll008 at eng.ucsd.edu
Tue Mar 2 16:37:42 PST 2021

Hi Kaelasha,

I don't think EEGLAB has a specific function for plotting 3D topographies
for data from a single time point. However, the function used to plot the
3D ERP map series is `pop_headplot.m` You may be able to hack it to
accomplish what you want.

Clement Lee
Applications Programmer
Swartz Center for Computational Neuroscience
Institute for Neural Computation, UC San Diego

On Tue, Mar 2, 2021 at 8:20 AM Kaelasha Tyler <kaelasha.tyler at gmail.com>

> Hi all,
> How do you plot a 3D voltage topography at a single time point in
> continuous data?
> ****
> I am familiar with plotting 3D topographies with epoched data. Eg:
> Plot> ERP map series> In 3D
> However in my present case, I am wanting to plot in 3D the voltage
> topography at the peak of a single seizure spike and wave. In this case,
> there is no epoched data, continuous only. Also, I am not wanting to plot
> an average of a whole epoch, but just the time point at the peak of the
> spike and wave.
> If anyone can help me with this, that would be greatly appreciated.
> Regards,
> Kaelasha
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