The Dragons of Eden
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A note for Lesson no. 1, "You Have One Brain (Not Three)," in Seven and a Half Lessons About the Brain by Lisa Feldman Barrett.
Some context from page 17 is:
The astronomer Carl Sagan introduced the idea of the triune brain to the wider public in 1977 in his book The Dragons of Eden....
From The Dragons of Eden:[1]
"MacLean has developed a captivating model of brain structure and evolution that he calls the triune brain. 'We are obliged,' he says, 'to look at ourselves through the eyes of three quite different mentalities,' two of which lack the power of speech. [...] Each brain corresponds to a different evolutionary step." (p. 57)
References
- ↑ Sagan, Carl. 1977. The Dragons of Eden: Speculations on the Evolution of Human Intelligence. New York: Ballantine.