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The early motor repertoire of children born preterm is associated with intelligence at school age

Janneke L M Bruggink1, Koenraad N Van Braeckel, Arend F Bos

  • 1University Medical Center Groningen, Department of Pediatrics, Division of Neonatology, Hanzeplein 1, PO Box 30001, 9700 RB Groningen, Netherlands. j.l.m.bruggink@bkk.umcg.nl

Pediatrics
|May 12, 2010
PubMed

Insights

The quality of general movements (GMs) in preterm infants predicts school-age intelligence. Abnormal GMs early after birth indicate potential cognitive development issues.

Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Cognitive Psychology

Background:

  • Preterm birth is associated with increased risk of neurodevelopmental challenges.
  • General movements (GMs) are early indicators of neurological integrity.
  • Predictive markers for cognitive development in preterm children are crucial.

Purpose of the Study:

  • To investigate the predictive value of general movement (GM) quality in preterm children for cognitive development.
  • To assess if early GM assessment can identify children at risk for cognitive deficits.

Main Methods:

  • Prospective cohort study of 60 preterm infants (median gestational age 30.0 weeks) without cerebral palsy.
  • GM quality assessed as normal or abnormal from video recordings until 17 weeks post-term.
  • Cognitive development evaluated at 7–11 years using the Wechsler Intelligence Scale for Children (WISC-III).

Main Results:

  • Median total IQ (TIQ) was 93, verbal IQ (VIQ) 96, and performance IQ (PIQ) 92.
  • Children with normalized GMs before 8 weeks post-term had normal IQ scores.
  • Consistently abnormal GMs were associated with significantly lower TIQ, VIQ, and PIQ scores (Likelihood Ratio: 4.9 for low TIQ).

Conclusions:

  • Early post-term general movement quality serves as a reliable marker for school-age intelligence.
  • Abnormal GMs may indicate brain injury or developmental disruptions affecting cognitive function.
  • Monitoring GM quality offers a valuable tool for early identification of cognitive risks in preterm populations.
Abstract

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