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As we grow older, our brains undergo various changes that lead to cognitive decline. The acetylcholine-dependent neurotransmitter system slows with age, primarily causing older adults to struggle with concentration and working memory. It also contributes significantly to neurodegenerative diseases like Alzheimer's.
Researchers unveil groundbreaking evidence that cognitive training ramps up a key brain chemical that fades with age. A daily mental workout could sharpen your mind and recharge your brain's chemistry.
The participants were over 65 years old and completed 30 minutes of rigorous mental exercises daily for 10 weeks. They were split evenly into two groups: one trained daily with the online BrainHQ program, while the control group played standard computer games for fun. After the training, participants achieved a 2.3% surge in acetylcholine, which is the brain's vital messenger for sharp attention and memory in critical brain regions.
This 2.3% boost stands out, given that acetylcholine typically drops 2.5% per decade with normal aging. In this key brain region, cognitive training effectively reversed the clock by roughly a decade.
Researchers say this focused stimulation prompts neurons to rebuild connections, restoring chemical signals instead of just slowing the decline. Over time, steady mental challenges could forge new brain pathways.
Although the study focused on healthy older adults, researchers are now gearing up for follow-up trials in people with early dementia or mild cognitive impairment, eager to discover if brain recovery remains possible even after memory loss begins.
To view the original scientific study click below:
Effects of Computerized Cognitive Training on Vesicular Acetylcholine Transporter Levels using [18F]Fluoroethoxybenzovesamicol Positron Emission Tomography in Healthy Older Adults: Results from the Improving Neurological Health in Aging via Neuroplasticity-based Computerized Exercise (INHANCE) Randomized Clinical Trial
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