In the article “A Transition in Brain State during Propofol-Induced Unconsciousness” by Eran A. Mukamel, Elvira Pirondini, Behtash Babadi, Kin Foon Kevin Wong, Eric T. Pierce, P. Grace Harrell, John L. Walsh, Andres F. Salazar-Gomez, Sydney S. Cash, Emad N. Eskandar, Veronica S. Weiner, Emery N. Brown, and Patrick L. Purdon, which appeared on pages 839–845 of the January 15, 2014 issue, the authors regret that, due to a data processing error, the unnormalized EEG voltage and power spectral density scale bars in Figures 1C,E and 3A are labeled incorrectly. The correct labels are: Figure 1C: color scale bar runs from 2E-4 to 2 μV2/Hz; Figure 1E: 30 μV; Figure 3A: 30 μV. This error does not affect any of the conclusions or interpretations in the paper. The correct Figures 1 and 3 are shown below.
