Online brain training reverses 10 years of aging in memory and learning

October 29, 2025

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1 min read

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ScienceDaily

A new McGill-led study reveals that digital brain exercises can rejuvenate aging brain systems responsible for learning and memory. Older adults using BrainHQ for 10 weeks showed restored cholinergic function — effectively turning back the brain’s clock by a decade. Scans confirmed measurable biochemical changes, offering a hopeful new approach for dementia prevention.

After 10 weeks of using the game-like app BrainHQ, older adults showed significant improvements in cholinergic function, a key brain chemical system that tends to decline with age and affects attention, memory, and decision-making. "The training rest... [2849 chars]

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