Regular exercise is known to promote brain health and function. However, the mechanism in which exercise improves brain function is unknown. Now research reports that exercise improved memory in mice. The researchers believe this was due to the mice growing more new brain cells in the memory area of the brain. These results may have important implications for human brain research.
The study, published in Proceedings of the National Academy of Sciences, investigated the reasons why exercise may improve brain function. Researchers at the University of Cambridge, U.K., allowed the exercise group of mice unlimited access to an exercise wheel and a control group no access to the exercise wheel. Both groups of mice were given memory tasks for 105 days.
The researchers found that the exercising mice performed better on the memory tasks than the non-exercising mice. Furthermore, the exercising mice grew more new brain cells in the hippocampus area of the brain. The hippocampus is the area in the brain for memory and learning.
“Keeping similar memories distinct is an important part of having a good memory,” says researcher Timothy Bussey, from Cambridge University, in BBC News. “It is this aspect of memory that is improved by exercise, our study shows.”
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Elaine’s Comments
I’ve noticed that walking daily helps me think more clearly. Do you have a similar experience?
