• Each basic emotion, such as anger, fear, happiness, love, surprise, disgust, and sadness, triggers specific biological responses to prepare the body for action.
• The growth of the human fetal brain parallels the evolution of the brain in other species.
• The first part to grow is the brainstem, which regulates breathing, digestion, and other life-sustaining functions like arousal.
• The olfactory lobe encircles the top of the brainstem interpreting the world through the sense of smell.
• The limbic system surrounds the brain stem like a ring providing improved tools for survival—learning and memory.
• The limbic system also generates intense feelings like fury, dread and sexual desire.
• The neocortex allows us to comprehend and interpret what our senses perceive and to plan and judge our responses.
• Under certain conditions, the limbic brain can overwhelm or hijack the body to respond to a perceived threat while bypassing the neocortex...
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