Savlar4 sources healthy · latest episode 20 Oct 2026
prediction claim

In a science-fiction scenario set around 2045, the speaker imagined that a complete brain simulation would run slower than a human brain and fail to explain how the brain works.

Tim Scarfe · Three Red Lines We're About to Cross Toward AGI (Daniel Kokotajlo, Gary Marcus, Dan Hendrycks) · 24 Jun 2025

In their words

The transcript segments this claim was taken from

“stuff cook i don't know if you guys know him the neuroscientist um we wrote a science fiction essay it's the only published science fiction essay i've ever written and it was in a book that i wrote called the future of the brain which i guess we wrote in 2050 i was the editor and we wrote the epilogue to it in call it 2015 and so it was set in something like 2055”
“I think it was 2045 and the notion was there's a book about neuroscience that by that point we would actually have created an entire simulation of the brain but it would run slower than the human brain and would still”
“not have taught us anything about how the brain really works. So we'd have this simulation,”
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