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Percentage of patients displaying abnormal postural oscillations or falling, for the control and VS groups, under EO, EC, VR0, and VR1 conditions. (A) Percentage of patients with abnormal AY activity in control group an VS group in the EO, EC, VR1 and VR1 conditions; (B) Percentage of falling in control in control group an VS group in the EO, EC, VR0 and VR0 conditions.
