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Effect of stance width on GVS-evoked movement of C7 at −45° head angle. Polarity-collapsed data are from experiment 1. A, B, Group mean GVS-evoked C7x (A) and C7y (B) time series. Time is relative to GVS onset. C, D, Group mean response directions (C) and magnitudes (D) of C7 measured at 2 s. Error bars represent 95% confidence intervals of the mean. The shaded segment in C was formed from 95% confidence intervals of expected directions based solely on measured head yaw angles.
