To the Editor: With great interest, we read the article by Ralph E. Hoffman, M.D., and Idil Cavus, M.D., Ph.D. (1), who discussed the results of a recent study of slow repetitive transcranial magnetic stimulation (rTMS) on the attentional processing of threatening facial expressions (2). They considered those results consistent with the findings of McCann et al. (3), who reported reductions in the symptoms of posttraumatic stress disorder (PTSD) after slow rTMS over the right prefrontal cortex. Since enhanced reactivity to a perceived threat is a central symptom of PTSD, the demonstration of reduced attention to threatening faces after slow rTMS over the right prefrontal cortex (2) would, according to Drs. Hoffman and Cavus, not only fit the valence model of approach- and withdrawal-related emotion but also provide evidence concurring with the study by McCann et al. (3).