New research shows how our brains deal with traumatic memories and what happens when the memories rush back. We have known that the amygdala has been the part of the brain that is in charge of fear. However, a new technique shows that reliving trauma and moving past it depends on two groups found in the hippocampus. They used a technique called activity-dependent neural tagging to see where there is activity or not. They were able to flood in traumatic experiences with mice and see the activity.
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