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Updated: Sep 3, 2025
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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
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Coenzyme Q10 Levels Associated With Cognitive Functioning and Executive Function in Older Adults.
Cristina Fernández-Portero1, Josué G Amián1, Rocío de la Bella2
1Department of Social Anthropology, Psychology and Public Health, Pablo de Olavide University, Seville, Spain.
Summary
Coenzyme Q10 (CoQ10) levels are linked to cognitive function in older adults. Lower CoQ10 may indicate reduced antioxidant defenses, potentially impacting brain health and executive function as we age.
Area of Science:
- Gerontology
- Neuroscience
- Biochemistry
Background:
- Aging brain deterioration involves inflammation and oxidative stress.
- Coenzyme Q10 (CoQ10) is linked to neurological oxidative stress and cognitive impairment.
- Previous studies suggest a link between neurodegenerative diseases and CoQ10 levels in older adults.
Purpose of the Study:
- To analyze the association between CoQ10 levels and cognitive functioning in older adults.
- To control for factors influencing aging, including physical activity and nutritional status.
- To investigate the role of CoQ10 in cognitive decline.
Main Methods:
- Cross-sectional study of 64 older adults (aged 65-99).
- Participants recruited from community centers.
- Plasma CoQ10 levels measured and analyzed against cognitive function, controlling for physical activity and nutritional status.
Main Results:
- Plasma CoQ10 levels were significantly associated with cognitive functioning in older adults.
- CoQ10 levels showed a significant association with executive function.
- This association remained significant after controlling for physical activity and nutritional status.
Conclusions:
- Reduced cognitive capacities in older adults may be related to diminished antioxidant defenses, indicated by low CoQ10 levels.
- CoQ10 may play a role in maintaining cognitive health and executive function in aging populations.
- Further research is warranted to explore CoQ10 supplementation for cognitive health.
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