In the article “Multiple Mechanisms for Processing Reward Uncertainty in the Primate Basal Forebrain” by Noah M. Ledbetter, Charles D. Chen, and Ilya E. Monosov, which appeared on pages 7852–7864 of July 27, 2016 issue, the authors regret an error in Figures 7C–D, where the second y-axis tick mark was labeled as 0.5. The label should have been 50%. Figure 7 has been corrected on the online PDF version and displayed below.