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Exercise Dose and Cognition in Older Adults

Alzheimer’s disease and related dementias are becoming more prevalent with the growing aging population. Physical exercise may improve aspects of cognitive function to decrease disease risk; however, the effects of moderator variables, such as exercise intensity, are still under investigation. We are examining the dose-response relationship between aerobic exercise and cognitive function in sedentary older adults. Participants are randomized into a high-intensity, moderate-intensity, or low-intensity exercise group.

Each group receives supervised training three times per week for 12 weeks. Cognitive performance is assessed at baseline and at study completion to determine changes in executive function, reaction time, and memory. This research will inform physical activity guidelines for brain health to help reduce the risk of Alzheimer’s disease and dementia.

If you have any questions or are interested in participating in this study, please contact us at (905) 525-9140 ext. 23616 or trainthatbrain@gmail.com

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