Intergenerational trauma occurs when when trauma experienced by one generation is passed down to other generations. Sociocultural model: children are influenced by the home environment they lived in. Psychological model: Child's brain development and ability to self-regulate, may by affected if their basic needs are not met. Physiological model: child is subjected to excess levels of stress, there are abnormal amounts of cortisol, dopamine, and serotonin, affecting brain development