[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.

Best,
Clement Lee
Applications Programmer
Swartz Center for Computational Neuroscience
Institute for Neural Computation, UC San Diego
858-822-7535


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

> 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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