重みは学習するのか、測るのか。ハエの脳が問い直す AI のつくり方

A Japanese technical essay whose point is provenance, not scale: in a connectome model the roughly 15 million weights are counted off electron micrographs rather than fitted, with one hand-chosen constant of 0.275 mV. The often-quoted 91 percent is accuracy at predicting circuit responses, not at reproducing behaviour, and it cites Lappalainen et al. and Beiran and Litwin-Kumar to argue that wiring constrains a mechanism without determining it, since gap junctions, neuromodulation and plasticity rules are absent. It reads DOOMFLY and Fly64 as designed input-output mappings.

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#japanese#analysis#weights#lif#criticism