In a sense, each of us begins life ready for action. Many animals perform amazing feats soon after they're born. Spiders spin webs. Whales swim. But where do these innate abilities come from? Obviously, the brain plays a key role as it contains the trillions of neural connections needed to control complex behaviors.
However, the genome has space for only a small fraction of that information. This paradox has stumped scientists for decades. Now, Cold Spring Harbor Laboratory (CSHL) Professors Anthony Zador and Alexei Koulakov have devised a potential solution using artificial intelligence.
When Zador first encounters this problem, he puts a new spin on it. "What if the genome's limited capacity is the very thing that makes us so smart?" he wonders. "What if it's a feature, not a bug?"
In other words, maybe we can act intelligently and learn quickly because the genome's limits force us to adapt. This is a big, bold idea—tough to demonstrate. After all, we can't stretch lab experiments across billions of years of evolution. That's where the idea of the genomic bottleneck algorithm emerges.
In AI, generations don't span decades. New models are born with the push of a button. Zador, Koulakov, and CSHL postdocs Divyansha Lachi and Sergey Shuvaev set out to develop a computer algorithm that folds heaps of data into a neat package—much like our genome might compress the information needed to form functional brain circuits. They then test this algorithm against AI networks that undergo multiple training rounds.
The study is published in the journal Proceedings of the National Academy of Sciences.
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