3 Brain Systems That Control Your Behavior: Reptilian, Limbic, Neo Cortex | Robert Sapolsky
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Okay. So what’s the best way to think about the brain? It’s insanely complicated. Everything connects to everything. A gazillion little subregions. Amid all that complexity there’s a broadly sort of simplifying way to sort of think about aspects of brain function when it comes to behavior. And this was an idea put forth by this guy Paul MacLean, a grand poohbah on the field, conceptually of thinking of the brain as coming in three functional layers. The triune brain—and again this is highly schematic—The brain really doesn’t come in three layers, but one could think of the first most, the bottom most, the most ancient as being what’s often termed the “reptilian brain,” where basically the parts in there, we’ve got the same wiring as in a lizard, as in any ancient creature. It’s bee...
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Okay. So what’s the best way to think about the brain? It’s insanely complicated. Everything connects to everything. A gazillion little subregions. Amid all that complexity there’s a broadly sort of simplifying way to sort of think about aspects of brain function when it comes to behavior. And this was an idea put forth by this guy Paul MacLean, a grand poohbah on the field, conceptually of thinking of the brain as coming in three functional layers. The triune brain—and again this is highly schematic—The brain really doesn’t come in three layers, but one could think of the first most, the bottom most, the most ancient as being what’s often termed the “reptilian brain,” where basically the parts in there, we’ve got the same wiring as in a lizard, as in any ancient creature. It’s bee...
