[Eeglablist] channel coherence

[Κλάδος Μανούσος]

Hello Kevin,

You can see that...
http://sccn.ucsd.edu/pipermail/eeglablist/2004/000633.html

it may help you

Regards
Klados Manousos

2008/1/29, Johannes Sarnthein <johannes.sarnthein at gmail.com>:
>
> Hi Kevin,
> You can calculate the coherence spectrum with a script of the type below.
> Best,
> Johannes
>
> ch1      = 6;
> ch2      = 49;
> window   = 2*EEG.srate; % create 2 sec epochs
> noverlap = window/2;    % overlap epochs by 50% for smoothing
> nfft     = window*2;    % zero-padding factor 2 for smoothing
> fs       = EEG.srate;
>
> [Cxy,F] = mscohere(EEG.data(ch1,:),EEG.data
> (ch2,:),window,noverlap,nfft,fs);
>
> figure;
> plot(F,Cxy)
>
>
> 2008/1/28, Kevin Whittingstall <kevin.whittingstall at tuebingen.mpg.de>:
> >
> >  Hello there,
> >
> >                  I am trying to calculate the coherence between two
> > channels of continuous data (that is, there are no 'epochs'.  Any
> > suggestions on how to carry this out?
> >
> > Thanks,
> > Kevin
> >
> >
> > --
> > --------------------------------------------
> > Kevin Whittingstall, Ph.D.
> > Max Planck Institute for Biological Cybernetics
> > Spemannstraße 38
> > 72076 Tübingen
> > Phone: +49-7071-6011700
> >
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-- 
Κλάδος Α. Μανούσος
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