Figure 3.

Percentage of variance of clustered brain IC ERP projections (measured from −1 to 2 s, green lines), clustered non-brain IC projections (eye-movement and neck muscle activities; red lines), and non-clustered IC projections (unclassified; blue lines) relative to the variance of the grand-average ERPs summing projections of all three IC classes. Left and right panels show results for ERPs time locked to onsets of target (left column) and non-target stimuli (right column) in the three movement conditions (standing, slow walking, fast walking).