The posture control parameters throughout the training program in the dyslexic and skilled readers.

<p>a. Δx – block mean value of the maximal amplitude of the movement of the COP in the medio-lateral direction within a given trial; b. SDΔx – block standard deviation of the individual trials' Δx. c. Δy – block mean value of the maximal amplitude of the movement of the COP in the anterior-posterior direction within a given trial; d. SDΔy – block standard deviation of the trials' Δy. Error bars indicate group standard error.