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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
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Emotional regulation and its impact on development in extremely low birth weight infants

Jean Lowe1, Barbara Woodward, Lu-Ann Papile

  • 1Department of Pediatrics, Division of Neonatology, University of New Mexico School of Medicine, Albuquerque, New Mexico 87131-0001, USA.

Journal of Developmental and Behavioral Pediatrics : JDBP
|June 16, 2005
PubMed

Insights

Extremely low birth weight infants showed a significant drop in Mental Developmental Index scores by 18-22 months. Infant emotional regulation and low household income impacted these developmental outcomes.

Area of Science:

  • Neonatal Development
  • Developmental Psychology
  • Pediatric Health

Background:

  • Extremely low birth weight (ELBW) infants face developmental challenges.
  • Early developmental trajectories require monitoring.
  • The Bayley Scales of Infant Development (BSID-II) is a key assessment tool.

Purpose of the Study:

  • Compare BSID-II scores at 8 and 18-22 months adjusted age in ELBW infants.
  • Investigate associations between score changes and infant behavior.
  • Examine the influence of emotional regulation and socioeconomic status on development.

Main Methods:

  • Longitudinal study of 47 ELBW infants.
  • Utilized Bayley Scales of Infant Development (BSID-II) at two time points.
  • Assessed infant behavior using the BSID-II Behavioral Rating Scale.

Main Results:

  • Psychomotor Developmental Index scores remained stable (p = .17).
  • Mental Developmental Index (MDI) scores significantly declined (p = .006).
  • Emotional regulation and low household income were linked to MDI score changes (p = .001, p = .002).

Conclusions:

  • MDI scores decrease in ELBW infants by 18-22 months adjusted age.
  • Infant emotional regulation remains a significant factor in MDI changes, even after accounting for income.
  • Family socioeconomic status and infant behavior are critical factors influencing developmental outcomes in ELBW infants.

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