https://www.theguardian.com/lifeandstyle/2019/may/12/science-of-anger-gender-age-personality
Citando:
"What is anger?
Scientists believe that the capacity for anger has been hardwired into the brain over millions of years of evolution. It forms part of our instinct to fight off threats, to compete for resources and to enforce social norms. Anger is rooted in the brain’s reward circuit. We are constantly – often subconsciously – weighing up what we expect to happen in any situation. When there is a mismatch between what we’ve learned to expect and the hand we’re dealt, our brain’s reward circuit sounds the alarm and activity is triggered in a small almond-shaped region in the brain called the amygdala.
Anger can trigger the body’s fight or flight response, causing the adrenal glands to flood the body with stress hormones, such as adrenaline, and testosterone, preparing us for physical aggression. But whether we actually end up swearing or scowling or even punching someone depends on a second brain area, the prefrontal cortex, that is responsible for decision-making and reasoning. This puts our anger in context, reminds us to behave in socially acceptable ways and for most of us, most of the time, keeps our primal instincts in check."
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