How is PLV calculated in mne-connectivity and can someone point me to an article about it

The method to calculated the PLV metric is not the one stated in the bibliography. I would like to know from where was that calculation method, CSDxy/|CSDxy|, taken from.

I’m not certain, but I did come across Eq. 11 from Bruña et al. (2018) that resembles the equation in the MNE documentation:

It’s described as a non-time-dependent formulation of the Lachaux publication.

Cheers,
Thomas

I came across that article, but that is closer to the coherence formula than the one stated on the documentation i was hoping for a bit more. Still thanks for answering.