In his conversation with DISCOVER contributing editor Susan Kruglinski, Edelman delves deep into this untamed territory, exploring the evolution of consciousness, the narrative power of memory, and his goal of building a humanlike artificial mind.
This year marks the 150th anniversary of The Origin of Species, and many people are talking about modern interpretations of Charles Darwin’s ideas. You have one of your own, which you call Neural Darwinism. What is it?
Many cognitive psychologists see the brain as a computer. But every single brain is absolutely individual, both in its development and in the way it encounters the world. Your brain develops depending on your individual history. What has gone on in your own brain and its consciousness over your lifetime is not repeatable, ever—not with identical twins, not even with conjoined twins. Each brain is exposed to different circumstances. It’s very likely that your brain is unique in the history of the universe. Neural Darwinism looks at this enormous variation in the brain at every level, from biochemistry to anatomy to behavior.
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