[FieldTrip] Plotting ERP data: From topoplot to 3D brain surface plot

Eelke Spaak eelke.spaak at donders.ru.nl
Sat Mar 1 09:22:44 CET 2014

Hi Barbara,

Could you maybe post some of the code you are using to generate your
plots, and examples of the plots you are getting?


On 27 February 2014 09:08,  <barbara.schorr at uni-ulm.de> wrote:
> Dear Fieldtripers,
> I have ERP data from a normal oddball task (low pitch tones vs. high pitch
> tones) resulting in a P300. I know how to plot them with the normal
> ft_topoplot command. For just visualization, this is fine, but for a
> publication I would like to plot my data on a 3D brain surface.
> I know how to do that with the ft_sourceplot command. I tried it with my
> data, but the result is not even close to what I see when I plot it with the
> ft_topoplot command (I don's see the nice big blob of activity in the
> parietal cortex).
> I guess the problem is that I do more analizyng steps in order to get the
> data structure which is needed for sourceplotting.
> What I really just want to do is putting my topoplot on a brainsurface. Is
> that possible in fieldtrip or do I need to use another software?
> Thank you very much for your help!!
> Barbara Schorr, MSc
> Clinical and Biological Psychology
> University of Ulm
> Albert-Einstein-Allee 47
> 89069 Ulm
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> fieldtrip at donders.ru.nl
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