Fig. 3 –

Red circles designate electrodes which showed a significant difference (p < 0.01) in mean QEEG values between patients who would or would not go on to recover command following by day 10. Patients with recovery by day 10 had higher broad-spectrum coherence and higher centro-occipital slow frequency spectral power (Delta and Theta range) early in their post-arrest course (at days 4–6). Later in the course (days 7–10) these patents demonstrated globally higher permutation entropy in theta frequency range.