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A mean nodal strength in resting-state for all four SAD groups (severe, moderate, mild, and HCs) and frequencies (delta, theta, alpha, and beta). Red color indicate higher nodal strength; White color indicate lower nodal strength. The topographic maps were created with EEGLAB function (the venerable topoplot). This includes a 2D grid representation of the scalp and nodal strength values as color-coded dots or contours at the corresponding scalp locations (10-20 system).
