The more primitive areas of the brain evoking emotion, such as the amygdala, were built by nature to help us respond to threats or danger quickly and efficiently. So, when we encounter another person, the analysis of the individual that takes place in those areas of the brain is very crude, looking at only one trait—friend or foe, in-group or out-group. This happens very fast, in a fraction of a second. If categorized as “foe,” the danger alert is given, evoking negative emotions such as fear or hostility. In contrast, the “thinking” area of the brain, the neocortex, the area that produces our
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