[Eeglablist] Compare the head plots

[M V Chilukuri]

I suggest comparing similar statistical features or characteristics rather than
comparing time series data which is weird!

Arnaud Delorme wrote:

> Dear Ming,
>
> > I wonder if somebody have experience on comparing two headplots.  For
> > example, one headplot is plotted using average trial data for 1 condition
> > (the EEG response of recognizing something) and one headplot is plotted
> > using average trial data for the opposite condition (the EEG response of
> > not recognizing something).  How can I compare these two and highlight
> > their difference?  Can I just do a simple subtraction and use topoplot
> > function to plot out the difference?  Any suggestions?
>
> Yes, performing a subtraction sounds like a good solution. If you create
> a study and you have several subjects, EEGLAB can also compute
> parametric and non-parametric statistics on the difference (it is not
> yet able to show the difference though).
>
> Best,
>
> Arno
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