Researchers at Google and the Howard Hughes Medical Institute’s Janelia Analysis Campus final week introduced a significant milestone in neuroscience. On Sept. 3, the scientists printed the outcomes of a decade-long venture to map each neural connection within the mind and central nervous system of an grownup male fruit fly.
And naturally, simply days later, the web began making it play video video games.
“With over 166,000 neurons and 125 million synaptic connections, that is the most important mind map by variety of neurons so far, offering a basic useful resource for scientists to make use of fruit flies as a mannequin organism for finding out how the mind works,” Google stated in a blog post.
The map, generally known as a connectome, is basically a wiring diagram displaying how the fly’s neurons are linked. Researchers created it by slicing the nervous system into hundreds of thousands of extraordinarily skinny sections, imaging them with an electron microscope, after which utilizing computer systems and AI to show these 2D photos into 3D reconstructions of neurons. Scientists then spent years verifying and annotating the outcomes.
Google says that as a result of mapping the roughly 86 billion neurons in a human mind just isn’t potential but, scientists are beginning with smaller organisms like fruit flies.
The venture goals to assist scientists learn the way animal nervous programs “understand the world, react to stimuli, and the way broken neural pathways would possibly at some point be repaired.”
However for now, individuals on-line are utilizing that very same knowledge for their very own experiments.
As an illustration, software program engineer Alex Wormuth posted on Sept. 6 that he’s utilizing the venture’s knowledge to coach a simulated fly mind to play Doom.
“Every Doom body stimulates sensory neurons. Neural exercise is mapped to recreation controls. Harm triggers a stimulus to 2 PPL101 dopamine cells as reinforcement,” he wrote in a submit on X.
I am coaching a fly mind to play Doom utilizing the total MaleCNS v1.0 fruit fly connectome.
Every Doom body stimulates sensory neurons. Neural exercise is mapped to recreation controls. Harm triggers a stimulus to 2 PPL101 dopamine cells as reinforcement.
Will the fly study to… https://t.co/ObCJ03gxy3 pic.twitter.com/H2YDBtyuR8
— Alex Wormuth (@nftechie_) September 6, 2026
The venture is being livestreamed on-line.
One other developer, Jessica Paquette, posted Monday a few related venture utilizing the fly mind knowledge to play Tremendous Mario 64. In a video she posted, Mario could be seen leaping and repeatedly bumping into partitions.
taking part in mario 64 utilizing a fly’s mind pic.twitter.com/G4BmfMSWb8
— Jessica Paquette (@barrelshifter) September 7, 2026
Paquette additionally posted the venture’s code on GitHub, the place she wrote that the code is “100% vibe coded with GPT Astra.”
“I’ve efficiently run the total retained MaleCNS v1.0 fruit fly connectome, all 166,700 neurons, inside Minecraft, with its simulated neural exercise driving a fly’s motion,” wrote one more user on X.
And it wasn’t simply video video games individuals experimented with.
One X consumer stated he fine-tuned the simulated fly mind to make Y-M-C-A poses in response to 4 completely different tones. And one other consumer made the simulated fly mind “watch” the viral Dangerous Apple!! animation to see the way it reacted.
It wouldn’t be shocking to see much more fly mind initiatives pop up on-line within the coming months, a minimum of till programmers get a brand new mind to play with.
Conveniently, Google is already wanting past flies. The corporate is working with researchers on connectomes for fish and mice.
