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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is also...
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Assessment of Child Anthropometry in a Large Epidemiologic Study
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Published on: February 2, 2017

Cognitive function and overweight in preschool children.

Mònica Guxens1, Michelle A Mendez, Jordi Julvez

  • 1Centre for Research in Environmental Epidemiology, Barcelona, Spain. mguxens@creal.cat

American Journal of Epidemiology
|June 24, 2009
PubMed
Summary

Higher cognitive function in preschool children is linked to a reduced risk of becoming overweight by age six. Early cognitive development may play a role in maintaining a healthy weight status throughout childhood.

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Area of Science:

  • Pediatrics
  • Developmental Psychology
  • Public Health

Background:

  • Childhood overweight is a growing public health concern.
  • Cognitive development in early childhood is crucial for overall well-being.
  • Understanding factors influencing weight status in preschoolers is essential for prevention strategies.

Purpose of the Study:

  • To investigate the association between cognitive function at age 4 years and the incidence and maintenance of overweight at age 6 years.
  • To explore the relationship between specific cognitive domains and weight status.
  • To identify early life predictors of childhood overweight.

Main Methods:

  • A population-based birth cohort study in Menorca, Spain (n=482).
  • Assessment of cognitive function using McCarthy Scales of Children's Abilities at age 4 years (n=395).
  • Measurement of Body Mass Index (BMI) at ages 4 and 6 years (n=421), with multivariable adjustments for confounding factors.

Main Results:

  • Children with higher general cognition at age 4 years showed a significantly lower likelihood of being overweight at age 6 years (OR=0.47, 95% CI: 0.25, 0.88).
  • Higher cognitive function was associated with a reduced likelihood of maintaining an unhealthy weight status or worsening weight status between ages 4 and 6 years.
  • Associations were primarily linked to verbal and executive function domains of cognitive ability.

Conclusions:

  • Early childhood cognitive function, particularly verbal and executive skills, may be a protective factor against the development of overweight.
  • These findings suggest that interventions promoting cognitive development could potentially contribute to preventing childhood obesity.
  • Further research is warranted to elucidate the mechanisms underlying this association.