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The association between early regulatory problems and adult peer relationship quality is mediated by the brain's

Saša Zorjan1, Dieter Wolke2,3, Nicole Baumann2,4,5

  • 1Department of Psychology, Faculty of Arts, University of Maribor, Maribor, Slovenia.

Journal of Child Psychology and Psychiatry, and Allied Disciplines
|June 26, 2024
PubMed

Insights

Infant regulatory problems (RPs) are linked to adult difficulties in peer relationships. These issues are mediated by functional changes in the brain's allostatic-interoceptive system (AIS), highlighting the need for early intervention.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Social Psychiatry

Background:

  • Early regulatory problems (RPs) in infancy, including issues with crying, sleeping, and feeding, are associated with increased risk for avoidant personality traits and social withdrawal in adulthood.
  • RPs are also linked to functional alterations in adult brain networks, specifically the default mode and salience networks, which comprise the allostatic-interoceptive system (AIS) and are crucial for social interactions.

Purpose of the Study:

  • To investigate the association between regulatory problems (RPs) assessed in infancy and difficulties in adult peer relationships.
  • To determine if functional alterations in the allostatic-interoceptive system (AIS) mediate the relationship between early RPs and adult social functioning.

Main Methods:

  • A prospective case-controlled study involving 42 adults with a history of RPs and 70 matched controls.
  • Functional magnetic resonance imaging (fMRI) was used to analyze intrinsic functional connectivity (iFC) of key AIS nodes during rest.
  • Peer relationship quality was assessed using the Life Course Interview and YASR scale, with RPs assessed at multiple infant time points (5, 20, and 56 months).

Main Results:

  • Infancy RPs were significantly associated with lower-quality peer relationships in adulthood.
  • Enhanced functional connectivity of AIS nodes was observed in adults with a history of RPs, with a stronger effect for multiple and persistent RPs.
  • Intrinsic functional connectivity changes in the dorsal mid insula, a key interoceptive region, mediated the link between early RPs and adult peer relationship quality.

Conclusions:

  • Early regulatory problems (RPs) lead to enduring social and neural changes.
  • The allostatic-interoceptive system (AIS) plays a critical role in both interoceptive and social processes.
  • Findings underscore the importance of early screening for regulatory problems to mitigate long-term social and neural consequences.
Abstract

Keywords:
Bavarian Longitudinal StudyRegulatory problemsallostatic interoceptive systemcryingfeedinginsulapeer relationshipssleeping

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