Table 1.
DFA, α (1st order) |
DFA, α (2nd order) |
λ
S
|
λ
L
|
|||||
---|---|---|---|---|---|---|---|---|
Old | Young | Old | Young | Old | Young | Old | Young | |
Normal | 0.96 (0.02) | 0.96 (0.03) | 0.95 (0.02) | 0.94 (0.04) | 0.99 (~) | 0.99 (~) | 0.98 (0.01) | 0.98 (0.02) |
Visually perturbed | 0.95 (0.03) | 0.97 (0.01) | 0.92 (0.03) | 0.94 (0.02) | 0.99 (~) | 0.99 (~) | 0.96 (0.05) | 0.96 (0.03) |
Values are mean (standard deviation). DFA: detrended fluctuation analysis. λS and λL refer to the maximum short- and long-term local divergence exponents. Tildes (~) indicate standard deviation <.005.