Parasympathetic activity, emotion socialization, and internalizing and externalizing problems in children:

Elisa Ugarte1, Siwei Liu1, Paul D Hastings2

  • 1Human Development and Family Studies, Department of Human Ecology, University of California, Davis.

Developmental Psychology
|December 20, 2021
PubMed

Insights

Children with moderate respiratory sinus arrhythmia (RSA) show fewer adjustment problems. Both high and low RSA increase maladjustment risk, especially with negative maternal emotion socialization, impacting internalizing and externalizing problems over time.

Area of Science:

  • Child Development
  • Developmental Psychology
  • Biopsychosocial Health

Background:

  • Biopsychosocial models emphasize physiological regulation and parenting in socioemotional development.
  • Nonlinear associations exist between children's baseline respiratory sinus arrhythmia (RSA) and maladjustment.
  • Negative maternal emotion socialization is linked to internalizing (IP) and externalizing problems (EP).

Purpose of the Study:

  • To examine within- and between-person associations of children's quadratic baseline RSA, negative maternal emotion socialization, and child adjustment problems over 7 years.
  • Investigate the interplay between physiological regulation, parenting, and socioemotional outcomes.
  • Understand how these factors influence children's internalizing and externalizing problems.

Main Methods:

  • Longitudinal study of 133 3.5-year-old children and their mothers over 7 years.
  • Measurement of children's baseline respiratory sinus arrhythmia (RSA).
  • Maternal reports on emotion socialization practices and child adjustment (IP and EP) at multiple time points.
  • Analysis using multilevel structural equation models.

Main Results:

  • Quadratic associations between baseline RSA and child adjustment problems (IP and EP) at the between-person level.
  • Children with moderate RSA exhibited fewer adjustment problems compared to those with low or high RSA.
  • Negative maternal responses predicted increased child problems, both between and within families.
  • Within-family analyses showed IP elevated with higher-than-usual negative maternal responses.
  • Children with extreme RSA (high or low) showed more problems during years of heightened negative maternal responses.

Conclusions:

  • Moderate baseline RSA may be protective for socioemotional development.
  • Both high and low RSA confer risk for maladjustment, particularly when coupled with negative emotion socialization.
  • Aversive emotion socialization practices exacerbate the risk associated with physiological regulation patterns.
  • Findings highlight the dynamic interplay between child physiology and parenting in long-term adjustment.

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