The human brain became large by natural selection (who knows why, but presumably for good cause). Yet surely most 'things' now done by our brains, and essential both to our cultures and to our very survival, are epiphenomena of the computing power of this machine, not genetically grounded Darwinian entities created specifically by natural selection for their current function.
About this quote
- What does it mean?
- Human culture and survival rely on mental outputs that are byproducts of brain power, not necessarily evolved traits selected for their current functions.
- In plain terms
- Many things we do with our brains help us survive but are accidental uses of brain power rather than things nature specifically planned.
- What can you take from it?
- Distinguish between traits selected by evolution and behaviors that emerge as side effects of complex brains.
Where it applies
Putting it to work
Questions to consider
- Which modern behaviors are byproducts rather than adaptations?
- How do byproducts influence human progress?
Another view
Some cultural traits do have adaptive value, so calling them all byproducts is an oversimplification.
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