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Metabolic risk affects fluid intelligence changes in healthy adults
Paolo Ghisletta1, Fabio Mason1, Cheryl L Dahle2
1Faculty of Psychology and Educational Sciences.
Psychology and Aging
|October 8, 2019
Summary
Metabolic risk impacts fluid intelligence over time, but not vice versa. Managing metabolic risk factors may help maintain cognitive function, suggesting early intervention is beneficial.
Area of Science:
- Neuroscience
- Gerontology
- Public Health
Background:
- Metabolic syndrome is prevalent across age groups.
- Metabolic syndrome is linked to cognitive decline.
- Longitudinal data on metabolic risk and cognitive function is limited.
Purpose of the Study:
- To investigate the longitudinal relationship between metabolic risk and fluid intelligence.
- To determine if metabolic risk influences cognitive change or if cognitive function influences metabolic risk.
- To provide evidence for early intervention strategies.
Main Methods:
- A longitudinal study of 221 healthy adults (aged 18.57–85.33 years).
- Participants were assessed up to 3 times over 6.33 years.
- A second-order bivariate dual-change-score model with factorial invariance was used.
Main Results:
- Metabolic risk levels significantly predicted subsequent changes in fluid intelligence.
- Fluid intelligence levels did not predict subsequent changes in metabolic risk.
- The effect was observed across a wide age range.
Conclusions:
- Metabolic risk is a significant factor in cognitive aging.
- Controlling metabolic risk may preserve cognitive function.
- Early intervention for metabolic risk, starting in young adulthood, is recommended.
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