Moral reasoning refers to the ways in which people ascertain what is good, bad, right, wrong, virtuous, and vicious. It involves a number of processes including moral sensitivity, moral judgment, moral motivation, and moral action. Various models have been proposed to show how the cognitive and affective (or rational and emotional) aspects of our psychology play a role in the processes of moral reasoning. The primary regions of the brain associated with moral reasoning include the frontal lobe, the parietal lobe, and the temporal lobe. These anatomical structures are intimately involved in morally relevant functions, such as the following.