Table 4.
Results for the two ‘classical’ measures used to characterize the chaoticity and information content in time series: the permutation entropy and the Lyapunov exponent.
| condition | permutation entropy | Lyapunov exponent |
|---|---|---|
| awake | 4.27 ± 0.59 | 0.2 ± 0.013 |
| ketamine | 3.92 ± 0.58 | 0.18 ± 0.01 |
| propofol | 3.61 ± 0.61 | 0.16 ± 0.01 |