Fly Brain Lab

A controlled experiment, reported as a null result, on whether the fly's real escape wiring helps a simulated fly dodge a flip-flop swat. Five brains share one body and one training budget: a plain MLP, the escape circuit cut from FlyWire v783, the same wiring shuffled while keeping each neuron's degrees, and frozen-synapse versions of both. Five seeds each, 1.97 M steps, then 1,024 identical swats per seed. The trained brains tie within the seed spread (63.8% MLP, 62.2% fly, 59.7% shuffled), and with synapses frozen at the connectome's counts neither wiring solves the task (25.6%, 27.2%).

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#negative-result#shuffled-control#escape-circuit#ppo#zero-dependency#flywire