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Effects of an attachment-based intervention in infancy on children's autonomic regulation during middle childhood
Alexandra R Tabachnick1, K Lee Raby2, Alison Goldstein3
1Department of Psychological and Brain Sciences, University of Delaware, United States.
Insights
An early intervention promoting sensitive parenting, Attachment and Biobehavioral Catch-up (ABC), improved children's autonomic nervous system regulation by age 9. This parenting intervention positively impacted children's physiological stress responses.
Area of Science:
- Developmental Psychology
- Neuroscience
- Clinical Psychology
Background:
- Children involved with Child Protective Services are at risk for dysregulated autonomic nervous system (ANS) development.
- Early life stress and adversity can negatively impact ANS regulation, influencing long-term health and behavior.
- Parenting interventions aim to mitigate risks associated with early adversity by enhancing caregiver-child interactions.
Purpose of the Study:
- To determine if the Attachment and Biobehavioral Catch-up (ABC) intervention causally affects children's autonomic nervous system (ANS) regulation.
- To investigate the long-term impact of a sensitive parenting intervention on physiological regulation in children up to age 9.
- To examine specific ANS markers, including respiratory sinus arrhythmia, heart rate, and skin conductance, in response to the intervention.
Main Methods:
- A longitudinal randomized clinical trial was conducted with parents involved with Child Protective Services.
- Participants were assigned to either the Attachment and Biobehavioral Catch-up (ABC) intervention group (N=43) or a control group (N=53).
- Children's autonomic regulation was assessed at age 9, measuring respiratory sinus arrhythmia, heart rate, and skin conductance during rest and parent-child interaction.
Main Results:
- Children whose parents received the ABC intervention showed significantly higher respiratory sinus arrhythmia at age 9.
- These children also exhibited lower resting heart rate and lower heart rate during parent-child interaction compared to the control group.
- No significant intervention effects were found for children's average skin conductance levels or autonomic reactivity indices.
Conclusions:
- The Attachment and Biobehavioral Catch-up (ABC) parenting intervention demonstrates a causal impact on the development of children's autonomic regulation.
- Promoting sensitive parenting through early intervention can lead to improved physiological stress regulation in at-risk children.
- Findings highlight the potential of parenting-focused programs to foster healthier neurodevelopmental trajectories in children exposed to adversity.
Abstract:
The present study used a longitudinal randomized clinical trial to test whether an early intervention has causal effects on children's autonomic nervous system regulation. When children were infants, parents involved with Child Protective Services received Attachment and Biobehavioral Catch-up (ABC; N = 43), an intervention that promotes sensitive parenting, or a control intervention (N = 53). When children were 9 years old, children whose parents had received ABC exhibited higher respiratory sinus arrhythmia and lower heart rate at rest and during a parent-child interaction than children in the control group. Intervention effects were not detected for children's average skin conductance levels or for indices of autonomic reactivity. Results suggest that a parenting-focused early intervention impacted the development of children's autonomic regulation.