Fig. 3

(a) SR sensory threshold and SR optimal intensity mean values for CP and TD groups. Black bars represent the SR sensory threshold and gray bars the SR optimal stimulation intensity. Error bars represent standard errors. Independent samples t-tests did not reveal significant differences between the two groups. (b) Scatter plot of the SR optimal intensity level and the difference between the COPVr of the optimal SR intensity over the no stimulation condition. Each black data point reflects a child with CP and each white data point reflect a child with TD. The black line is crossing y-axis at 0 and represents no change in the COPVr data following the application of SR stimulation. Data points falling above the black line suggest diminished postural sway, whereas those below the line suggest improved postural sway