Chunk #32 — Methods to Assess Brain Connectivity Based on Phase Coupling — Frequency-Specific Phase Coupling Methods — Univariate Methods

Source

Brain Functional Connectivity Through Phase Coupling of Neuronal Oscillations: A Perspective From Magnetoencephalography.

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If the amplitude weights in the above equation are omitted, we get the mean resultant length of the phase difference (i.e., the absolute value of the average of eι Δθij(f) across signal realizations), which is called phase-locking-value (PLV; Lachaux et al., 1999), i.e.,