Reproducibility of functional connectivity and graph measures based on the phase lag index (PLI) and weighted phase lag index (wPLI) derived from high resolution EEG.

The correlation of inter-electrode distance with inter-electrode PLI was very weak in all subjects at all frequency bands (median rho over frequency bands: −0.06<rho<0) with no clear direction, albeit highly significant in single subjects (maximal positive correlation: rho = 0.15, maximal negative correlation: rho = −0.19; p<0.0001) due to the high number of values (214*213/2 data points per subject).

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