You also need the fifth C, compression
A note for Lesson no. 7, "Our Brains Can Create Reality," in Lisa Feldman Barrett.
Some context from page 114 is:
...large brain size and high complexity are not enough to make and maintain social reality. You also need the fifth C, compression...
A big, complex brain with the capacity to compress, however, is probably not sufficient on its own for small bits of social reality to cohere into a civilization.
There are also genetic changes and associated structural and metabolic changes in the cells found in layers 2 and 3 of the human cerebral cortex, and these likely contribute to the human brain's capacity for compression.
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