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#247 — Constructing Minds
Making Sense with Sam Harris
The Evolution of Neurons in Mammal Brains
All mammals who, whose brains have ever been studied follow the same developmental plan. There are no new neurons, really, no new types. The stages of development in all these mammal brains that have been studied different species, proceeds in exactly the same order. So basically, there is no lizard brain. You don't have a an ancient beast lurking inside your brain, and the only animal who has a lizard brain is a lizard.
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