Individual and mean rPDC values at different stages of the study.

<p>Individual fronto-occipital (F3–O1, F4–O2) 10–20 Hz and occipito-frontal (O1–F3, O2–F4) 8–16 Hz rPDC values during stepwise increased propofol infusion during the awake (AWA) state, sedation (SED), loss of consciousness (LOC) and return of consciousness (ROC). Individual and mean rPDC values are presented with thin and thick lines, respectively.