In this lesson, you'll learn more about the brain's role in trauma responses - and you'll be able to talk to your friends about your "amygdala." No seriously - understanding how stress hormones and chemicals in the brain and body work to embed trauma in our memory and DNA explains why people can't simply "get over" something traumatic without intense personal healing work.

Be sure to check out the Supplemental Resources handout you downloaded in the Introducation module. Jacob Ham's metaphor of the Hulk is brilliant! And take the quiz before moving on to the next lesson.