The fact that we feel less empathy for people in pain if they fall outside our inner sanctum suggests that we have dehumanized them, stripping away dimensions of experience that humanize those within the sanctum. These are the dimensions associated with emotion, and when taken away, cause us to perceive the other as an object. Since objects can’t feel pain or joy, we can’t share in their experience because they lack experience altogether. If that is the case, then when we perceive any human group that has been dehumanized in this particular way, there should be little to no activity in those areas of the brain associated with thinking, feeling, wanting, and believing. To explore this possibility, the social psychologist Susan Fiske placed subjects in a brain scanner and presented photographs of either extreme out-group members, such as the homeless and drug addicts, or photographs of other groups such as the elderly, middle-class Americans, and the rich. When viewing the extreme out-group, not only did Fiske see little activity in an area critically related to self-awareness and the process of thinking about others thoughts and emotions — the medial prefrontal cortex — but she also observed an intense increase of activity in the insula, a brain area that is recruited when we experience disgust. Fiske’s results highlight the dangers of dehumanization. Once we turn off areas of the brain that are involved in thinking about others’ thoughts and emotions, and turn on areas involved in disgust, we have set ourselves up for moral disengagement. As the distinguished American psychologist Albert Bandura has documented through decades of research, moral disengagement allows people to justify harm by transforming lethal motives into morally justified and even benevolent ones. Moral disengagement allows us to excuse ourselves from moral responsibility, either disregarding the harm imposed or convincing ourselves that it was justified, even obligatory. In several international