In the article “Reduced Amygdala Response to Fearful Expressions in Children and Adolescents With Callous-Unemotional Traits and Disruptive Behavior Disorders,” by Abigail A. Marsh et al. (published online February 15, 2008; doi: 10.1176/appi.ajp.2007.07071145), in Table 2, in the heading for the F values, the degrees of freedom should have been listed as “2, 33.”