How long have you exercised in your life? the effect of motor reserve and current physical activity on cognitive performance

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Abstract

Objectives: Aging of the population encourages research on how to preserve cognition and quality of life. Many studies have shown that Physical Activity (PA) positively affects cognition in older adults. However, PA carried out throughout the individual's lifespan may also have an impact on cognition in old age. We hypothesize the existence of Motor Reserve (MR), a flexible and dynamic construct that increases over time and compensates for age-related motor and cognitive loss. Methods: Two questionnaires were developed and validated to estimate MR (Physical Activity carried out throughout the individual's lifespan) and Current Physical Activity (CPA, PA carried out in the previous 12 months). They were administered to 75 healthy individuals over 50 to verify the relation with cognition. MR and CPA include physical exercise (i.e., structured activities to improve or maintain physical fitness) and incidental PA, which we consider as any movement that leads to a metabolic cost above baseline (e.g., housekeeping, walking). In addition, the Cognitive Reserve Index questionnaire (CRI), a reliable predictor of cognitive performance, was used to measure each participant's Cognitive Reserve. Results: The factors that most influenced performance are Age and Cognitive Reserve, but also MR and CPA together and MR when it is the only factor. Conclusions: Cognitive variability in adult and elderly populations is explained by both MR and CPA. PA training could profitably be included in new preventive and existing interventions.

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APA

Pucci, V., Guerra, C., Barsi, A., Nucci, M., & Mondini, S. (2024). How long have you exercised in your life? the effect of motor reserve and current physical activity on cognitive performance. Journal of the International Neuropsychological Society, 30(1), 11–17. https://doi.org/10.1017/S135561772300022X

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