Fig. 2

Complexity Index of sway for Premutation carriers and Controls. Complexity index of anterior-posterior sway during eyes open (EO) and eyes closed (EC) conditions, SART, and N-back dual tasks (left). Complexity index of postural sway in the mediolateral direction under all four conditions (right). All data expressed as mean ± standard error. ***p < 0.001. Brackets indicate significant differences between conditions