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SENSORIMOTOR DEVELOPMENT IN COCAINE-EXPOSED INFANTS.

Robert Arendt1, Lynn Singer1, Jennifer Angelopoulos1

  • 1Case Western Reserve University.

Infant Behavior & Development
|December 30, 2014
PubMed
Summary

Prenatal cocaine exposure negatively impacts infant sensorimotor development. Cocaine-exposed infants showed poorer cognitive, motor, and behavioral outcomes at 12 months, independent of other factors.

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NEONATAL VISUAL INFORMATION PROCESSING IN COCAINE-EXPOSED AND NON-EXPOSED INFANTS.

Infant behavior & development·2015

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Pediatrics

Background:

  • Prenatal exposure to substances like cocaine can impact child development.
  • Sensorimotor development is crucial for early childhood milestones.
  • Understanding long-term effects requires longitudinal assessment.

Purpose of the Study:

  • To investigate the effects of prenatal cocaine exposure on infant sensorimotor development.
  • To assess cognitive, motor, and behavioral outcomes at 12 months of age.
  • To determine if early motor performance predicts later developmental outcomes.

Main Methods:

  • Assessed 167 12-month-olds (74 cocaine-exposed, 93 unexposed) using the Bayley Scales of Infant Development (BSID).
  • Utilized Movement Assessment of Infants and Test of Sensory Functions in Infants at 4 months for a subset of infants.
Keywords:
infantprenatal cocaine exposuresensorimotor development

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  • Controlled for confounding factors in the analysis.

    • Main Results:

    • Cocaine-exposed infants performed significantly worse on the BSID Mental scale at 12 months.
    • Cocaine-exposed infants exhibited poorer motor and sensory function at 4 months.
    • Early motor performance at 4 months predicted 12-month cognitive, motor, and behavioral outcomes.
    • Behavioral outcomes at 12 months were more frequently rated as suspect in the cocaine-exposed group.

    Conclusions:

    • Prenatal cocaine exposure has a lasting, independent negative effect on infant cognitive, motor, and behavioral development.
    • Early sensorimotor assessments can predict later developmental trajectories.
    • Intervention strategies may be needed for infants exposed to cocaine prenatally.