Fig. 1.
A: table of experimental conditions and corresponding stimulus combinations. EC and EO refer to eyes-closed and eyes-open conditions. B: schema of the experimental setup. C: example of the applied stimulus sequence, showing the transient On and Off switching of sway referencing (Exps. 1–3) or lights (Exps. 4–6), the constant amplitude sinusoidal stimulus, and the measured COM sway of 1 representative subject.