CityUHK neuroscientist crack code on brain multitasking, uncovering neural mechanisms behind cognitive bottlenecks

Neuroscientists at CityUHK have discovered that the brain achieves efficient multitasking by dynamically balancing neural coordination and task-specific segregation. Through mouse model studies and neural network simulations, the team identified how the secondary motor cortex reorganizes neuronal activity to reduce interference and improve performance over time.
Why it matters
These findings provide a biological blueprint for improving human cognitive training and offer a new framework for developing more efficient, multitasking-capable artificial intelligence systems.
HONG KONG , Sept. 3, 2026 /PRNewswire/ -- It is commonly perceived that multitasking is highly inefficient, with the brain often "crashing" or scrambling when trying to do two things at once. A study co-led by Professor Yung Wing-h o , Chair Professor in the Department of Neuroscience at City University of Hong Kong (CityUHK), together with scholars from The Chinese University of Hong Kong, has explained the underlying cause, revealing how the brain dynamically reorganises itself to break through the cognitive bottleneck and achieve efficient, simultaneous multitasking.
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