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Time series of two variance components, within the UCM (VUCM, top panels) and orthogonal to the UCM (VORT, bottom panels) computed for task variables (FS and FN, left column) and non-task variable (FN during FS-tasks, right columns). Thick solid line: FN is task variable; thin solid line: proximal FS is task variable; thin dashed line: medial FS is task variable. Averages across subjects with standard error shades are shown.
