A real larva's connectome — 2,675 cells, 14,066 connections — now swims in a 3D simulation
eptwts · x · 2026-10-21
A fascinating demo: a lab fully mapped a tiny marine larva's connectome — 2,675 cells and 14,066 connections — and someone used Grok to place that real brain wiring into a three.js world complete with a body, eyes, cilia, and an ocean.
Nothing is steering the digital creature; it swims purely by reacting to its surroundings via the mapped wiring. The author notes the fly brain was mapped in 2024 too, and as more connectomes get mapped we can "build our own little worlds" with these things living in them — raising the inevitable consciousness question.
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