Auditory maturation and psychological risk in the first year of life

Inaê Costa Rechia1, Isabela de Moraes Fattore1, Anaelena Bragança de Moraes1

  • 1Departamento de Fonoaudiologia, Universidade Federal de Santa Maria - UFSM - Santa Maria (RS), Brasil.

Codas
|July 26, 2018
PubMed

Insights

Limited auditory pathway maturation in infants is linked to increased psychological risk. Early mother-infant relationship issues can negatively impact hearing development and auditory stimulation.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Audiology

Background:

  • Auditory pathway maturation is crucial for infant development.
  • Psychological risk factors can impact various developmental trajectories.
  • Understanding the interplay between auditory development and psychological well-being is essential.

Purpose of the Study:

  • To investigate the association between psychological risk and auditory pathway maturation in infants.
  • To determine if delayed auditory maturation predicts psychological risk in early childhood.

Main Methods:

  • A longitudinal cohort study followed 54 infants (at-risk and non-risk) from 1 to 12 months.
  • Cortical auditory evoked potentials (CAEPs) assessed auditory maturation.
  • Psychological risk was measured using Child Development Risk Indicators (CDRIs) and PREAUT signs.

Main Results:

  • While overall maturation occurred in both groups, significant differences in N1 latency and amplitude were noted at 1 month.
  • Moderate correlations were found between P1/N1 latencies and psychological risk indicators (CDRIs) at various time points (1, 6, and 12 months).
  • Longer auditory latencies at 12 months correlated with a higher likelihood of exhibiting absence of Phase II CDRIs, indicating greater psychological risk.

Conclusions:

  • Delayed auditory pathway maturation is associated with the presence of psychological risk in infants.
  • Adverse mother-infant relationship dynamics in the first six months can detrimentally affect hearing development.
  • Fragile early relationships may lead to reduced auditory and linguistic stimulation, impacting auditory maturation.
Abstract

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