Impact of Exercise on Alzheimer’s Patients with Mental Health Conditions

Background of the Study

Danish researchers have explored the effects of exercise on Alzheimer’s patients, particularly those experiencing mental health issues. While earlier research indicated that physical activity positively influences cognition in healthy, active middle-aged adults, reliable evidence regarding its benefits for Alzheimer’s patients with mental illness or neuropsychiatric problems remains limited.

Study Overview

A study published in the Journal of Alzheimer’s Disease aimed to assess whether moderate and high-intensity exercise could benefit Alzheimer’s patients, focusing on cognition, depression, and other neuropsychiatric challenges. Conducted as a randomized single-blinded trial, the study ensured that only the researchers were aware of the treatment assignments for each participant group.

Two hundred participants were randomly assigned to either an intervention group or a control group. The control group received standard treatment, while the intervention group engaged in supervised aerobic exercise sessions lasting sixty minutes, three times a week for sixteen weeks.

Cognitive Assessment

To evaluate cognitive changes post-intervention, researchers utilized the Symbol Digit Modalities Test (SDMT), a tool designed to identify cognitive abnormalities. The study also monitored changes in depression, neuropsychiatric issues, daily functioning, and overall quality of life.

Findings

The study found that moderate to high-intensity aerobic exercise positively affected neuropsychiatric symptoms in Alzheimer’s patients, either delaying or reducing their severity. Although the Symbol Digit Modalities Test revealed minimal differences between the two groups, researchers suggested that maintaining exercise intensity and increasing physical activity involvement could potentially enhance cognitive function. However, the impact on daily activities, depression, and health-related quality of life was found to be limited.

It is important to note that the study lacked sufficient monitoring of exercise outside the structured sessions, which may have influenced the overall outcomes.

Conclusions and Future Research

The findings indicate that exercise may provide benefits for Alzheimer’s patients with neuropsychiatric manifestations, with exercise intensity possibly influencing cognitive outcomes. Further research will be necessary to validate these results and explore the underlying mechanisms, along with determining the most effective types and intensities of physical activity for this population.

References

Hoffmann, K., Sobol, N., Frederiksen, K., Beyer, N., Vogel, A., Vestergaard, K., Brændgaard, H., Gottrup, H., Lolk, A., Wermuth, L., Jacobsen, S., Laugesen, L., Gergelyffy, R., Høgh, P., Bjerregaard, E., Andersen, B., Siersma, V., Johannsen, P., Cotman, C., Waldemar, G. and Hasselbalch, S. (2015). Moderate-to-High Intensity Physical Exercise in Patients with Alzheimer’s Disease: A Randomized Controlled Trial. Journal of Alzheimer’s Disease, 50(2), pp.443-453.

Ltd, H. (2019). SDMT – Symbol Digit Modalities Test – Hogrefe – Online testing, psychometric test & training providers. [online] Hogrefe.co.uk. Available at: https://www.hogrefe.co.uk/shop/symbol-digit-modalities-test.html [Accessed 26 Dec. 2019].