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Scientists uncover the brain’s hidden learning blocks

4 hours ago   sciencedaily.com - artificial_intelligence
Princeton researchers found that a primate’s prefrontal cortex reuses modular “cognitive Legos” to solve related tasks, giving biological brains a flexibility that AI still lacks. The insight could help improve AI systems so they retain old skills while learning new ones. Credit: Adapted by Dan Vahaba (Princeton University), from “Brain Silhouette 2” (Littleolred, CC0 1.0, freesvg.org) and “Lego bricks” (Benjamin D. Esham, CC BY-SA 4.0, Wikimedia Commons).

Artificial intelligence can now craft award-winning essays and help doctors detect disease with impressive accuracy. Yet when it comes to true mental flexibility, living brains still have the clear advantage.

Humans can adjust to new situations and information with remarkable ease. Learning unfamiliar computer software, trying a new recipe, or figuring out the rules of a new game often happens quickly for people, while AI systems typically struggle to adapt in real time and to learn effectively "on the ...


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