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Level of prenatal cocaine exposure and infant-caregiver attachment behavior

Marjorie Beeghly1, Deborah A Frank, Ruth Rose-Jacobs

  • 1Department of Pediatrics, Harvard Medical School, Children's Hospital, Boston, MA 02215, USA. marjorie.beeghly@tch.harvard.edu

Neurotoxicology and Teratology
|March 14, 2003
PubMed

Insights

Prenatal cocaine exposure did not impact infant attachment security. However, heavier exposure combined with social risk factors altered infant behavior, including increased avoidance and less crying.

Area of Science:

  • Developmental Psychology
  • Neuroscience
  • Public Health

Background:

  • Prenatal substance exposure is a concern for infant development.
  • Cocaine exposure's impact on infant attachment and behavior requires further investigation.

Purpose of the Study:

  • To examine the association between prenatal cocaine exposure and infant-caregiver attachment.
  • To investigate the interaction between cocaine exposure and contextual risks on infant socio-affective behavior.
  • To assess effects on infant crying and avoidant behavior.

Main Methods:

  • Longitudinal prospective cohort study of 154 infants at 12 months.
  • Biologic assay and maternal self-report for cocaine exposure assessment.
  • Ainsworth's Strange Situation used to code attachment, crying, and avoidance.

Main Results:

  • Prenatal cocaine exposure level was not significantly linked to secure/insecure or disorganized attachment.
  • Heavier cocaine exposure interacted with maternal factors (public assistance, multiparity) to affect infant behavior.
  • Associated behavioral alterations included increased disorganization, caregiver avoidance, and reduced crying.

Conclusions:

  • Prenatal cocaine exposure alone does not predict infant attachment security.
  • Contextual risks amplify the behavioral impact of heavier prenatal cocaine exposure.
  • Findings challenge perceptions and highlight the role of environmental factors in infant development.

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