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Across species, the degree of alloparental behavior correlates strongly with altruism. Humans, however, appear to occupy the top tier of this spectrum, indicating a biological inclination toward caring beyond immediate kin. This propensity for altruism likely contributed to the survival and success of human societies through fostering collaboration and social cohesion.
Neural Foundations of Empathy and Psychopathy
Scientists have long studied psychopathic tendencies, identifying key traits such as antisocial behavior, lack of empathy, compassion, and remorse. Recent neurocognitive research has shed light on the brain mechanisms underpinning these traits, especially focusing on the amygdala—a small but vital structure involved in processing emotions, particularly fear.