[Eeglablist] Understanding topoplot
imponderabilion at gmail.com
Thu Feb 27 14:03:03 PST 2014
just to add to Stephen's answer - you can plot anything with topoplot
(p-values, correlation coefficients,
mean spectral power etc.) - topoplot plots and interpolates given values,
values are. The order of electrode-value pairings is determined by
(this structure can be passed to topoplot).
2014-02-27 19:54 GMT+01:00 Stephen Politzer-Ahles <politzerahless at gmail.com>
> Hi Joaquin,
> topoplot() is plotting the activity at a certain time (or an average over
> a certain time window) at all channels, and interpolated between channels.
> I've never used it to plot activity restricted to a certain frequency,
> although in principle I guess that is possible; I've only used it to plot
> the raw ERP amplitudes, though.
> Stephen Politzer-Ahles
> New York University, Abu Dhabi
> Neuroscience of Language Lab
> On Thu, Feb 27, 2014 at 2:51 PM, joaquin .cuomo <jmcuomo at gmail.com> wrote:
>> I´m not fully sure if I´m understanding how topoplot() works.
>> First I thought that it was plotting the interpolation of all channel
>> spectrums at a given frequency, but then I found spectopo(), which I have
>> not yet tested it, but seems to do what I supposed topoplot was doing.
>> I can´t understand what is topoplot plotting, *because if neither a
>> frequency nor time is fixed *it can not be plot.
>> Please someone clarify my thoughts.
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