U.S. Neuroscientist Paul MacLean’s Triune Brain Hypothesis and the Hang Sơn Đoòng (Cave of the Mountain in Đoòng, Vietnam) Cave System: The Concept of the “Triune Brain”, How the Triune Brain Model Works, MacLean’s View of the Lower Brain and Limbic System of Mammals, Reptile Brain vs Primate Brain, Physical Characteristics of Human Beings Discovered Within Reptiles, Physical Characteristics of Human Beings Which are Similar to Reptiles, the World’s Largest Cave System, the Ecosystem Within the Hang Sơn Đoòng Cave System, the Mythology of the Reptilian Humanoid Creatures Within Vietnamese Culture, and the Reason These Mythological Reptilian Humanoid Creatures Have a Name

䷖ In 1960, American physician and neuroscientist Paul MacLean developed the concept of a 3 part brain which he referred to as the “triune brain”. The triune brain model proposes that the human brain has 3 distinct parts developed over the course of human evolution which include the frontal cortex, which was developed as a primate, the limbic system which was developed as a mammal, and the basal ganglia brainstem which was developed as a reptile. MacLean believed that the lower reptilian brain wa...


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