The Big Q: Want a quick brain boost?
The Big A: A morning session of exercise and short walks throughout the day provide a number of brain benefits for older adults, a new study says.
The findings show that people should avoid uninterrupted sitting to maintain good mental function throughout the day. The study also indicates that moderate-intensity exercise such as brisk walking should be encouraged to maintain brain health, according to researcher Michael Wheeler.
“Relatively simple changes to your daily routine could have a significant benefit to your cognitive health. [The study] also reveals that one day we may be able to do specific types of exercise to enhance specific cognitive skills such as memory or learning,” added Mr. Wheeler, doctoral student at the University of Western Australia’s Heart and Diabetes Institute.
The study included more than 65 men and women, aged 55 to 80, in Australia.
The researchers examined how moderate-intensity exercise on a treadmill in the morning with and without 3-min walking breaks during an 8-hour day of extended sitting affected different kinds of mental function.
Decision-making throughout the day was improved when the participants did the morning exercise session, compared with uninterrupted sitting, according to the study.
It also found that the morning bout of exercise combined with a number of short light-intensity walking breaks throughout the day led to improvements in short-term memory, compared with uninterrupted sitting.
The findings show that different types of physical activity can improve specific areas of mental function, according to the study.
A Key player in the exercise-linked brain benefits is a protein called brain-derived neurotropic growth factor, which is important in the survival and growth of information-transmitting neurons in the brain, the researchers said.
They found that levels of this protein were elevated when participants did either just the morning exercise or the morning exercise and short walking breaks throughout the day, compared with prolonged sitting.
“With an aging population which is looking to live healthier for longer, these studies are critical to people enjoying a productive and satisfying quality of life,” Mr. Wheeler said in a Baker news release.
The study was published on 29 April 29 the British Journal of Sports Medicine
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