Childhood Metabolic Biomarkers Are Associated with Performance on Cognitive Tasks in Young Children
Allison L B Shapiro1, Greta Wilkening2, Jenny Aalborg3
1Department of Psychiatry, School of Medicine, University of Colorado at Anschutz, Aurora, CO.
Insights
Metabolic health, including fasting glucose, insulin, and HOMA-IR, is inversely linked to cognitive performance in young children. Better metabolic markers correlate with enhanced inhibitory control and cognitive flexibility.
Area of Science:
- Pediatric Health
- Metabolic Research
- Neuroscience
Background:
- Metabolic health is crucial for overall well-being.
- Cognitive functions develop rapidly in early childhood.
- Understanding the link between metabolism and cognition in children is important.
Purpose of the Study:
- To investigate the association between metabolic measures and cognitive performance in young children.
- To test the hypothesis that better metabolic health is linked to better cognitive function.
Main Methods:
- Utilized data from the Healthy Start study cohort.
- Assessed fasting glucose, insulin, and HOMA-IR levels.
- Measured cognitive functions including inhibitory control, cognitive flexibility, and receptive language using the NIH Toolbox.
Main Results:
- Higher levels of fasting glucose, insulin, and HOMA-IR were significantly associated with lower inhibitory control.
- Fasting glucose levels were also inversely associated with cognitive flexibility.
- These associations were observed in typically developing 4- to 6-year-old children.
Conclusions:
- Metabolic health appears to influence fluid cognitive functions in healthy young children.
- Findings suggest a potential role for metabolic well-being in early cognitive development.
Objective:
To evaluate the hypothesis that metabolic measures (fasting glucose, insulin, and Homeostatic Model of Assessment for Insulin Resistance [HOMA-IR] levels) are inversely associated with performance on cognitive tasks using data from young (4- to 6-year-old), typically developing, healthy children.
Study Design:
Data were obtained from children participating in the Healthy Start study, a pre-birth cohort in Colorado. HOMA-IR, glucose, and insulin values were centered and scaled using the study sample means and SD. Thus, they are reported in number of SD units from the mean. Fully corrected T scores for inhibitory control (Flanker task), cognitive flexibility (Dimensional Change Card Sort test), and receptive language (Picture Vocabulary test) were obtained via the National Institutes of Health Toolbox cognition battery.
Results:
Children included in this analysis (n = 137) were 4.6 years old, on average. Per 1-SD unit, fasting glucose (B = -2.0, 95% CI -3.5, -0.5), insulin (B = -1.7, 95% CI -3.0, -0.4), and HOMA-IR values (B = -1.8, 95% CI -3.1, -0.5) were each significantly and inversely associated with inhibitory control (P < .05 for all, respectively). Fasting glucose levels were also inversely associated with cognitive flexibility (B = -2.0, 95% CI -3.7, -0.2, P = .03).
Conclusions:
Our data suggest that metabolic health may impact fluid cognitive function in healthy, young children.
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