[FieldTrip] connectivity/amplitude correlation

Magyari, Lilla Lilla.Magyari at mpi.nl
Mon Aug 27 11:59:53 CEST 2012


Dear Karl,

There are four papers mentioned in the help of ft_connectivity_corr. I 
am wondering if any of those could answer your question.

Best,
Lilla

Karl Doron wrote:
> Hello,
> 
> I'm wondering if there are any publications with the maths behind the 
> functions for ft_connectivity_corr. I would specifically like to confirm 
> (for a pending publication) how the amplitude correlation is computed 
> when the function is given output from ft_freqanalysis which contains a 
> time dimension (relevant cfg parameters pasted below). I've assumed this 
> is occurring in the frequency domain across trials for sensor i and 
> sensor j.
> 
> cfg.channelcmb = chancmb;
> cfg.method     = 'mtmconvol';
> cfg.output     = 'fourier';
> cfg.keeptrials = 'yes';
> cfg.foi        = band(1):band(2);
> cfg.toi        = 1.8:0.01:3.0;
> 
> 
> Thanks for any feedback!
> 
> 
> Karl Doron, Ph.D.
> UC, Santa Barbara
> 
> 
> 
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