[FieldTrip] wpli

[zahra ghanbari]

 Hi Jan-Mathijs
Thank you very much for the answer.My second question is about the experiments which are defined in the aforementioned paper. They investigated the effect of adding uncorrelated volume conducted noise sources to synthetic signals. I would like to know whether their MATLAB code is available or not.
Sincerely, Zahra.

    On Thursday, April 4, 2019, 11:14:17 AM GMT+4:30, Schoffelen, J.M. (Jan Mathijs) <jan.schoffelen at donders.ru.nl> wrote:  
 
 Hi Zhara,

Hi;I have two questions: 1- I am trying to use ft_connectivity_wpli to calculate wpli between EEG signals recorded in 16 channels.Could you please help me with the inputs (Repetitions x Channel x Channel (x Frequency) (x Time))?It there any example or description which clarifies the inputs?

Please use ft_connectivityanalysis with cfg.method = ‘wpli’, and an appropriate fieldtrip-style data structure, containing fourier coefficients (i.e. output of ft_freqanalysis with cfg.output = ‘fourier’);
Otherwise, if you insist on using the lower-level function ft_connectivity_wpli, please read the documentation.

2- It there any MATLAB code available for the experiments of "An improved index of phase-synchronization for electrophysiological data in thepresence of volume-conduction, noise and sample-size bias(2011)”. 

I don’t understand: this is the ‘wpli’ method.
Jan-Mathijs




Thank you very much. _______________________________________________
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J.M.Schoffelen, MD PhD
Associate PI, VIDI-fellow - PI, language in interaction
Telephone: +31-24-3614793Physical location: room 00.028Donders Centre for Cognitive Neuroimaging, Nijmegen, The Netherlands



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