Photo from Mc Master University


May 30 , 2024 Tags:

Researchers at McMaster University conducted a study on the benefits of orienteering, a sport that combines physical activity with navigational challenges, particularly focusing on its impact on brain health. The study, published in the journal PLOS One, builds upon previous research from 2023 and explores how the intensity of orienteering affects cognitive functions.

Orienteering involves navigating through a series of checkpoints in unfamiliar terrain using only a map and compass. Participants must make quick decisions based on spatial information while moving through the course. This activity engages the hippocampus, a brain region crucial for spatial cognition, which tends to decline with age and can lead to memory and learning impairments.

Lead author Emma Waddington, a graduate student at McMaster University, highlights that even a single session of orienteering can improve spatial memory. This suggests that participating in orienteering, even occasionally, may enhance spatial abilities and potentially delay age-related cognitive decline.

The study involved groups of active young adults with no prior orienteering experience navigating a course on the McMaster campus. Some participants walked while others ran, and a control group engaged in vigorous exercise without navigation. Researchers measured participants' levels of lactate, an indicator of exercise intensity, and brain-derived neurotrophic factor (BDNF), a protein associated with brain plasticity. Memory performance was tested before and after the sessions.

The results showed that running during orienteering increased lactate, BDNF, and memory to a greater extent than walking. Participants who ran while orienteering experienced particular benefits in spatial memory. These findings suggest that the intensity of orienteering is key to maximizing its cognitive benefits.

Jennifer Heisz, Canada Research Chair in Brain Health and Aging at McMaster University, emphasizes the importance of preventive measures for age-related cognitive decline, especially considering the lack of a cure for dementia. Orienteering presents a promising avenue for enhancing spatial memory and wayfinding skills, which are often impaired in Alzheimer's disease.

Heisz notes that reliance on GPS navigation systems may contribute to a decline in spatial memory and direction-finding skills among the general population. Engaging in activities like orienteering could help counteract these deficits and promote cognitive health.

The researchers highlight the need for further investigation into the long-term effects of orienteering on cognitive function across different age groups. Understanding how orienteering influences brain health over time could inform strategies for preserving cognitive abilities and preventing age-related decline.

Overall, the study underscores the potential of orienteering as a holistic approach to promoting brain health and combating cognitive decline, offering insights into how physical activity and mental stimulation intersect to support cognitive function.

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