Cognitive Science
Princeton study reveals brain’s reusable ‘cognitive Legos’ for flexible learning
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Neuroscientists at Princeton University report that the brain achieves flexible learning by reusing modular cognitive components across tasks. In experiments with rhesus macaques, researchers found that the prefrontal cortex assembles these reusable “cognitive Legos” to adapt behaviors quickly. The findings, published November 26 in Nature, underscore differences from current AI systems and could eventually inform treatments for disorders that impair flexible thinking.
Researchers from Zhejiang University have challenged the capabilities of the Centaur AI model, arguing it memorizes patterns rather than truly understanding tasks. Their findings, published in National Science Open, suggest limitations in instruction comprehension. The work critiques a July 2025 Nature study that hailed Centaur's performance across 160 cognitive tasks.
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Chimpanzees can update their decisions based on stronger evidence, much like humans, according to a study published in Science. Researchers at the Ngamba Island Chimpanzee Sanctuary in Uganda found that the animals switched choices when presented with clearer clues about food locations. This flexible reasoning challenges assumptions about animal cognition.