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Resilient children: individual differences in developmental outcome of children born to drug abusers
H L Johnson1, M B Glassman, K B Fiks
1Department of Elementary and Early Childhood Education and Services, Queens College.
Insights
Children born to mothers on methadone maintenance showed poorer neurobehavioral development. However, a nurturing environment promoted resilience and positive outcomes for these children, highlighting the impact of supportive surroundings.
Area of Science:
- Neuroscience
- Developmental Psychology
- Pediatrics
Background:
- Longitudinal studies are crucial for understanding neurobehavioral development.
- Methadone maintenance treatment is used for opioid dependence during pregnancy.
- Environmental factors significantly influence child development outcomes.
Purpose of the Study:
- To identify distinct patterns of neurobehavioral development in children at 36 months.
- To determine medical, familial, and environmental factors associated with developmental differences.
- To compare outcomes for children born to mothers on methadone maintenance versus a drug-free group.
Main Methods:
- Longitudinal cohort study tracking neurobehavioral development since 1977.
- Clustering analysis of children at 36 months based on head circumference, cognitive scores, neurological exams, and developmental referrals.
- Comparative analysis of identified clusters across various medical, familial, and environmental variables.
Main Results:
- Three distinct developmental clusters were identified at 36 months.
- Children born to mothers on methadone maintenance were disproportionately represented in the cluster with the poorest development.
- Significant differences in maternal responsiveness, neglect, and family violence were observed between the best and worst developmental clusters.
Conclusions:
- Distinct neurobehavioral developmental patterns emerge in early childhood.
- Children exposed to methadone in utero are at higher risk for poorer developmental outcomes.
- A stable and nurturing environment can foster resilience and positive development in children, irrespective of prenatal methadone exposure.
Abstract:
Since 1977, we have been following the neurobehavioral development of two groups of children: a group born to women on methadone maintenance and a drug-free comparison group. This study used the data on the children evaluated at 36 months of age to determine whether distinct patterns of developmental outcome can be identified, and which medical, familial, or environmental characteristics are associated with developmental differences. The children were clustered on four measures at 36 months: head circumference percentile, Merrill-Palmer Scale score, neurological evaluation, and referrals for developmental problems. Three distinct clusters emerged, with methadone children disproportionately frequent in Cluster 3, the group showing the poorest development. Comparisons of the clusters on a wide range of variables revealed consistent differences between Cluster 1 and Cluster 3 children in maternal responsiveness and incidence of neglect and family violence. These findings indicate that distinct developmental patterns do occur within this predominantly lower-class ghetto population; further, that children born to methadone-maintained women are more likely to show poor development. However, when the environment provides nurturance and stability, methadone children can show resilience and develop well.