Learning makes brain cells work together, not apart

A new study from researchers at the University of Rochester challenges the longstanding neuroscience theory that learning makes the brain more efficient by encouraging independent neuron activity.
The study reveals that learning instead increases the coordination and shared activity among neurons during actively performed tasks.
This coordination is attributed to the brain’s growing reliance on internal expectations and feedback from higher-level brain areas, rather than purely acting independently.
The findings indicate that sensory areas actively combine new sensory information with learned expectations, reshaping how scientists think about perception and decision-making.
The study holds implications for understanding learning disorders and could inspire the development of more flexible, human-like artificial intelligence systems by mimicking the brain’s coordination mechanisms.

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