AI Article Synopsis

  • Young adults don't get studied enough when it comes to physical exercise, so this study looked at how it affects them.
  • They had 17 people exercise 3 times a week and 10 people who didn't exercise for 6 months.
  • The exercisers got better at breathing and memory, and their brain showed changes that help with memory, which could be important for everyone, not just those with health issues.

Article Abstract

Physical exercise studies are generally underrepresented in young adulthood. Seventeen subjects were randomized into an intervention group (24.2 ± 3.9 years; 3 trainings/week) and 10 subjects into a passive control group (23.7 ± 4.2 years), over a duration of 6 months. Every two months, performance diagnostics, computerized spatial memory tests, and 3 Tesla magnetic resonance imaging were conducted. Here we find that the intervention group, compared to controls, showed increased cardiorespiratory fitness, spatial memory performance and subregional hippocampal volumes over time. Time-by-condition interactions occurred in right cornu ammonis 4 body and (trend only) dentate gyrus, left hippocampal tail and left subiculum. Increases in spatial memory performance correlated with hippocampal body volume changes and, subregionally, with left subicular volume changes. In conclusion, findings support earlier reports of exercise-induced subregional hippocampal volume changes. Such exercise-related plasticity may not only be of interest for young adults with clinical disorders of hippocampal function, but also for sedentary normal cohorts.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10914736PMC
http://dx.doi.org/10.1038/s42003-024-05949-5DOI Listing

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