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Three-dimensional color-coded rendering of the 139,255 neurons mapped in the adult Drosophila melanogaster fruit fly brain connectome

science Nature Portfolio

International FlyWire Consortium Maps Complete 140,000-Neuron Connectome of Adult Fruit Fly Brain

The international FlyWire Consortium led by Princeton and Cambridge researchers published the first complete neuron-by-neuron connectome of an adult fruit fly brain in Nature, mapping 139,255 neurons and 54.5 million synapses.

Jerry Vasoya · 11 Oct 2026 · 3 min read