Chunk #50 — Methods to Assess Brain Connectivity Based on Phase Coupling — Frequency-Specific Phase Coupling Methods — Multivariate Methods

Source

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

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where (∙)H denotes the Hermitian conjugate of a matrix. The elements of SIJ(f) are the cross-spectra between all the pairwise combinations of univariate time series of I and J.