The more you learn about the primal brain, the more you’ll understand human behavior.--Donald Miller
The primal brain seeks pleasure, avoids pain and conserves energy. Use the human brain to make decisions ahead of time.
Your modern brain (frontal cortex) is responsible for problem solving, memory, language, judgment, impulse control, and reasoning.
Your primal brain (hindbrain and medulla) is responsible for survival, drive, and instinct.
The teen who is screaming and venting is operating from their primal brain. Any kind of reasoning or talking during this primal brain operation is most likely to escalate rather than de-escalate.