Tag: Neuroscience
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Kurzweil said your NMDA receptors last five days. They barely last one — and he quietly corrected himself. But the argument the number was carrying only got stronger.
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Kurzweil predicted we would map the brain, then build the machine. Instead we built the machine, and it handed us the brain — now a model of the visual cortex can steer a living monkey’s gaze.
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Brain interfaces arrived on schedule. The completed wiring diagram, shared experience, and backed-up mind did not — and Kurzweil quietly reset one of them to the 2040s.
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Kurzweil said the brain’s design fits in less than Microsoft Word. Twenty-one years later, the genome held the line. Word did not.
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Kurzweil’s 2005 footnote on dendritic spines turned out to be load-bearing — and the same biology now writes English from inside a paralyzed patient’s cortex.
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Twenty years on, the anatomy survived. The grand cognitive theories did not.
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Kurzweil called the curves on connectomics and brain decoding. He missed on the wires — optic nerve, spindle cells, and millisecond fMRI.
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A 1998 migraine pill, an at-home antidepressant trial, and 39 patent grants in 2025 outline a quiet split inside psychedelic medicine.
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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.