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Normalizing the development of cortisol regulation in maltreated infants through preventive interventions
Dante Cicchetti1, Fred A Rogosch, Sheree L Toth
1University of Minnesota, Minneapolis, MN 55455, USA. cicchett@umn.edu
Development and Psychopathology
|July 16, 2011
Summary
Psychosocial interventions for child maltreatment helped normalize infant cortisol regulation. Early intervention normalized biological processes in infants exposed to maltreatment, showing positive long-term effects.
Area of Science:
- Psychology
- Neuroscience
- Child Development
Background:
- Child maltreatment significantly impacts infant development.
- Cortisol regulation is a key indicator of stress response and development.
- Preventive interventions aim to mitigate negative effects of maltreatment.
Purpose of the Study:
- To investigate the longitudinal effects of child maltreatment on infant cortisol regulation.
- To assess the efficacy of preventive interventions in normalizing cortisol levels.
- To examine cortisol trajectories from infancy to early childhood.
Main Methods:
- Randomized controlled trial with four groups: maltreated intervention (MI), community services (CS), and non-maltreated comparison (NC).
- Saliva samples collected from 13 to 38 months to measure morning cortisol levels.
- Latent growth curve modeling analyzed cortisol regulation trajectories over time.
Main Results:
- No initial differences in morning cortisol among groups.
- Active interventions (MI) normalized cortisol regulation, similar to the non-maltreated group.
- Community services (CS) group showed progressively lower cortisol levels, differing from MI and NC groups.
Conclusions:
- Psychosocial interventions are effective in normalizing biological regulatory processes in infants exposed to maltreatment.
- Early intervention is crucial for mitigating the long-term HPA axis dysregulation associated with child maltreatment.
- Findings underscore the importance of targeted support for maltreated infants and their families.
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