[FieldTrip] axes in ft_connectivityplot

Karl Doron karl.doron at gmail.com
Tue Jan 24 01:19:38 CET 2012


Hello,

Just to clarify my first question below. In the context of the tutorial on the fieldtrip website, what do the axes in this figure represent? 

Thanks,
karl doron
UC, Santa Barbara

> Hello,
> 
> I'm trying to use some of the plot tools for results from ft_connectivityanalysis. Can anyone tell me what the horizontal and vertical axes represent in ft_connectivityplot? The values differ on each plot in the matrix and don't seem to correspond to the data. Also, in ft_topoplotCC, is it possible to weight the line font based on the magnitude of the coherence value?
> 
> %% step 1 | freq analysis
>  
> cfg            = [];
> cfg.channel    = {'A224', 'A188', 'A189', 'A163', 'A184','A162'};
> cfg.method     = 'mtmfft';
> cfg.output     = 'fourier';
> cfg.foilim     = [8 12];
> cfg.toi        = 2.35:0.01:2.65;
> cfg.keeptrials = 'yes';
> cfg.keeptapers = 'yes';
> cfg.tapsmofrq  = 2;
> cfg.taper      = 'dpss';
>  
> freq_alpha     = ft_freqanalysis(cfg, data_spctrm);
>  
>  
> %% step 2 | connectivity analysis
>  
> cfg            = [];
> cfg.method     = 'coh';
>  
> coh            = ft_connectivityanalysis(cfg, freq_alpha);
> 
> 
> 
> Thanks for any feedback,
> karl doron
> UC, Santa Barbara
> 
> 
> 
> 
> 

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