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Parasympathetic Regulation and Maternal Parenting as Longitudinal Predictors of Preschooler Inhibitory Control

Jennifer J Phillips1, Cheyenne A Williams1, John H Hunter1

  • 1Virginia Tech, Department of Psychology, Blacksburg VA.

Infant and Child Development
|February 24, 2025
PubMed

Insights

Parasympathetic regulation (respiratory sinus arrhythmia) and maternal negativity interact to shape children's inhibitory control. RSA suppression predicted better control, but only when mothers showed high negative affect, highlighting a biosocial developmental framework.

Area of Science:

  • Developmental Psychology
  • Neuroscience
  • Child Development

Background:

  • Parasympathetic regulation, measured by respiratory sinus arrhythmia (RSA), influences executive functions like inhibitory control in children.
  • Existing research on RSA profiles and inhibitory control development presents contradictory findings, particularly in infancy and early childhood.

Purpose of the Study:

  • To investigate the longitudinal and interactive effects of infant RSA during frustration on early childhood inhibitory control.
  • To examine how maternal characteristics moderate the relationship between infant RSA and later inhibitory control.

Main Methods:

  • Longitudinal study of 410 children and their mothers.
  • Measured infant RSA (10 months) during a frustrating task.
  • Assessed maternal negative affect (36 months) and child inhibitory control (48 months).

Main Results:

  • Maternal negative affect moderated the association between infant RSA and child inhibitory control (r² range: 0.124–0.143).
  • RSA suppression predicted higher inhibitory control, but exclusively in the context of high maternal negative affect.
  • This suggests a biosocial interaction influencing inhibitory control development.

Conclusions:

  • Child inhibitory control development is influenced by a biosocial framework, integrating physiological regulation and social environment.
  • Maternal characteristics play a crucial role in modulating the impact of early physiological regulation on socio-emotional development.
  • Findings underscore the importance of considering both biological and social factors in understanding child development outcomes.

Keywords:
early childhoodinhibitory controllongitudinalmaternal intrusivenessmaternal negative affectrespiratory sinus arrhythmia

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