Tag: Neuroscience
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In 2005, Kurzweil used neuroscience receipts to build an upload argument. Twenty-one years later, seven of ten hold. One is off by two orders of magnitude — and the retinal-implant prediction arrived, over a pile of abandoned patients.
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Twenty years after Kurzweil predicted detailed models of hundreds of human brain regions by 2025, the deadline has arrived — and the delivery looks nothing like what he described.
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FlyWire mapped 140,000 neurons in an adult fruit fly. MICrONS mapped 523 million synapses in a cubic millimeter of mouse cortex. Neither matches the story Kurzweil told in 2005 about archiving human minds — but the paths we took to get here tell their own.
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Nine of ten plasticity findings Kurzweil cited in 2005 held up. The reverse-engineering synthesis they were supposed to enable did not.
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Kurzweil’s 2005 brain-scanning scouting report named specific labs. The milestones mostly arrived — through different teams entirely.
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Kurzweil’s 2005 neuroscience facts held up. His fMRI and MEG specs got beaten — by instruments he didn’t name.
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Nine of ten neuroscience claims from 2005 held up. The tenth — brain scanning doubling yearly — hit the physics of blood flow and skulls, and Kurzweil concedes it in the 2024 book.
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Kurzweil said global brain observation would arrive in the 2020s. In September 2025, 621,733 neurons across 279 brain areas, in Nature. Twelve neuroscience predictions, scored.
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Kurzweil said we wouldn’t need to map every connection in the brain. The connectomics field disagreed and just spent a decade doing exactly that.
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The cubic-millimeter human connectome arrived. The nanobots did not. A scorecard on twelve Kurzweil predictions about brain reverse-engineering.