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Exploring resting frontal EEG and reflective functioning in maternal substance use.

Gwendolyn Ngoh1, Jia Wu1, Marc N Potenza1,2,3,4,5

  • 1Child Study Center, Yale School of Medicine, New Haven, Connecticut, USA.

Infant Mental Health Journal
|June 14, 2022
PubMed
Summary

Maternal substance use may alter brain activity, with substance-using mothers showing higher beta and gamma power. Parental reflective functioning (PRF) showed no group differences but correlated with delta power, suggesting neural links to maternal care.

Keywords:
ElektroenzephalographieElterliches „Reflektive Functioning“Mots clés: fonctionnement parental de réflexionelectroencefalografíaelectroencephalographyfuncionamiento con reflexión del progenitormaternal substance usemütterlicher Substanzkonsumparental reflective functioningtoxicomanie maternelleuso materno de sustanciaélectroencéphalographieالكلمات الرئيسية: الأداء التأملي للوالدين تعاطي الأمهات ، رسم كهرباء الدماغキーワード: 親の内省機能、母親の薬物使用、脳波关键词:育儿反思功能母亲的药物使用脑电图

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Psychiatry

Background:

  • Maternal substance use is linked to adverse offspring outcomes.
  • Impaired parental reflective functioning (PRF) may mediate these effects.
  • Understanding the neural underpinnings is crucial.

Purpose of the Study:

  • To investigate neural activity differences in substance-using mothers.
  • To examine associations between maternal substance use, PRF, and neural activity.
  • To identify potential neural correlates of caregiving in maternal substance use.

Main Methods:

  • Resting-state frontal electroencephalography (EEG) power was analyzed in seven frequency bands.
  • 48 substance-using mothers and 37 non-substance-using mothers participated.
  • Parental reflective functioning (PRF) components were assessed.

Main Results:

  • Substance-using mothers showed significantly enhanced beta and gamma spectral power compared to controls.
  • No significant between-group differences were found in PRF components (pre-mentalizing, certainty, interest, curiosity).
  • Whole-sample analyses revealed positive correlations between pre-mentalizing and delta spectral power.

Conclusions:

  • Findings suggest distinct neural activity patterns (higher beta/gamma power) associated with maternal substance use.
  • No differences in PRF were observed, but delta power correlated with pre-mentalizing.
  • These results offer insights into neural correlates of maternal substance use and PRF, guiding future research on child outcomes.