Learning musical instrument in 70s may protect memory

A study from Kyoto University has found that older adults who took up and continued playing a musical instrument maintained better memory and brain health over four years compared to those who stopped.

Researchers followed participants with an average age of 73 who began learning an instrument for the first time. After an initial four-month training period, roughly half continued practicing for more than three years while the others switched to different activities.

Four years later, MRI scans and cognitive tests revealed clear differences. Those who kept playing showed no decline in verbal working memory and less shrinkage in the right putamen, a brain region linked to memory. They also had greater activity in the cerebellum.

"It's never too late to start playing an instrument, and starting in old age may have major benefits," said corresponding author Kaoru Sekiyama. The findings indicate that musical training can help counter normal age-related cognitive changes, even for those unable to exercise physically.

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Split-scene illustration of UCSF mouse study: older mouse struggles in maze with poor hippocampal neural links due to FTL1; treated mouse excels with enhanced connections.
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UCSF study links iron-associated protein FTL1 to age-related memory decline in mice

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Researchers at the University of California, San Francisco report that higher levels of the iron-associated protein FTL1 in the hippocampus of older mice are tied to weaker neural connections and worse performance on cognitive tests. In the experiments, reducing FTL1 in older mice was associated with increased neuronal connectivity and improved memory performance, findings published in Nature Aging.

People who reported more mentally stimulating experiences from childhood through older age were less likely to develop Alzheimer’s disease and tended to develop symptoms years later than peers with the lowest enrichment, according to an observational study published in Neurology.

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A three-year analysis following 3,966 adults ages 19 to 94 found measurable improvements in a multidimensional brain-health score among participants who used brief daily online training tools, including people in their 80s and beyond.

A study of over 375,000 Finns has linked hospital treatment for severe infections like cystitis and pneumonia to a higher risk of developing dementia within five to six years. Researchers identified 29 conditions associated with at least a 20 percent increased risk, with infections playing a key role. The findings suggest that preventing such infections could help modify dementia risk.

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Researchers at the University of Toronto Scarborough have found that feeling mentally sharp on a given day can boost productivity by up to 40 minutes. The study, published in Science Advances, tracked university students over 12 weeks and connected clearer thinking to setting and achieving bigger goals. Factors like sleep and workload influence these daily fluctuations.

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