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Updated: Jul 17, 2025

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
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Cognitive assessment in preterms by Bayley-III: development in the first year and associated factors

Suelen Rosa de Oliveira1, Ana Carolina Cabral de Paula Machado1, Lívia de Castro Magalhães1

  • 1Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brasil.

Revista Paulista De Pediatria : Orgao Oficial Da Sociedade De Pediatria De Sao Paulo
|August 30, 2023
PubMed

Insights

Preterm infants show lower cognitive scores but demonstrate significant recovery by 12 months. Early interventions are crucial for improving cognitive development in premature babies.

Area of Science:

  • Neonatal development
  • Pediatric neurology

Background:

  • Preterm birth poses risks to infant cognitive development.
  • Understanding cognitive trajectories is vital for early intervention.

Purpose of the Study:

  • To assess cognitive development in preterm infants at 6 and 12 months corrected age.
  • To explore links between cognitive outcomes and perinatal/socioeconomic factors.

Main Methods:

  • Bayley-III scale used to evaluate cognitive development in 40 infants (20 preterm, 20 full-term).
  • Spearman correlation and stepwise multiple linear regression analyzed cognitive scores and associated factors.

Main Results:

  • Preterm infants had lower Bayley-III cognitive scores at 6 and 12 months compared to full-term infants.
  • Birth weight and head circumference correlated with cognitive performance in full-term infants.
  • Necrotizing enterocolitis was inversely associated with cognitive score in preterm infants at 12 months.

Conclusions:

  • Preterm infants exhibit cognitive recovery capacity within the first year of life.
  • Early interventions are essential for optimizing cognitive outcomes in preterm infants.
Abstract

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