BIOSIG/T501 display coupling PLOT_COUPLING displays MxM coupling according [1] several utility functions are included. MAIN demonstrates the use of these functions REFERENCES: [1] Nolte G, Bai O, Wheaton L, Mari Z, Vorbach S, Hallett M. Identifying true brain interaction from EEG data using the imaginary part of coherency. Clin Neurophysiol. 2004 Oct;115(10):2292-307.