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Does early maternal responsiveness buffer prenatal tobacco exposure effects on young children's behavioral
Caron A C Clark1, Suena H Massey2, Sandra A Wiebe3
1Department of Educational Psychology,University of Nebraska-Lincoln,Lincoln, NE,USA.
Insights
Prenatal tobacco exposure (PTE) can impair child self-regulation. However, responsive parenting acts as a protective factor, mitigating behavioral issues in children exposed to tobacco before birth.
Area of Science:
- Developmental Psychology
- Neuroscience
- Public Health
Background:
- Prenatal tobacco exposure (PTE) is linked to early self-regulatory deficits and behavioral disinhibition.
- Parental responsiveness has been previously identified as a protective factor against disruptive behavior in adolescents with PTE.
Purpose of the Study:
- To investigate if maternal responsiveness moderates the association between PTE and behavioral disinhibition in early childhood.
- To test diathesis-stress versus differential susceptibility models explaining these associations.
Main Methods:
- Prospective assessment of PTE via interviews and bioassays in the Midwestern Infant Development Study (MIDS).
- Re-assessment of 276 mother-child dyads at approximately 5 years old.
- Quantification of maternal responsiveness and child behavioral disinhibition through direct observation and questionnaires.
Main Results:
- Findings supported a diathesis-stress model.
- Children with PTE and low maternal responsiveness exhibited increased disruptive behavior and lower effortful control.
- Exposed children with highly responsive mothers showed self-regulatory profiles comparable to non-exposed peers.
Conclusions:
- Maternal responsiveness plays a significant protective role in mitigating self-regulatory impairments in children with PTE.
- This highlights specific mechanisms through which responsive parenting can buffer the negative effects of prenatal exposure on child behavior.
Abstract:
Children with prenatal tobacco exposure (PTE) exhibit early self-regulatory impairments, reflecting a life-course persistent propensity toward behavioral disinhibition. Previously, we demonstrated the protective role of parental responsiveness for reducing the risk of exposure-related disruptive behavior in adolescence. Here, we expanded this line of inquiry, examining whether responsiveness moderates the relation of PTE to a broader set of behavioral disinhibition features in early childhood and testing alternative diathesis-stress versus differential susceptibility explanatory models. PTE was assessed prospectively using interviews and bioassays in the Midwestern Infant Development Study (MIDS). Mother-child dyads (N = 276) were re-assessed at approximately 5 years of age in a preschool follow-up. We quantified maternal responsiveness and child behavioral disinhibition using a combination of directly observed activities in the lab and developmentally sensitive questionnaires. Results supported a diathesis-stress pattern. Children with PTE and less responsive mothers showed increased disruptive behavior and lower effortful control compared with children without PTE. In contrast, exposed children with more responsive mothers had self-regulatory profiles similar to their non-exposed peers. We did not observe sex differences. Findings provide greater specification of the protective role of maternal responsiveness for self-regulation in children with PTE and help clarify mechanisms that may underscore trajectories of exposure-related behavioral disinhibition.