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Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
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Mismatch negativity of preschool children at risk of developing mental health problems

Toshiya Aoi1,2, Takashi X Fujisawa1,3, Shota Nishitani3

  • 1Department of Child Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Osaka, Japan.

Neuropsychopharmacology Reports
|February 19, 2021
PubMed

Insights

Children at higher risk for mental health problems show smaller mismatch negativity (MMN) amplitudes. This auditory processing difference may indicate early neurobiological markers for childhood psychiatric disorders.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Psychiatry

Background:

  • Childhood mental health problems are a growing concern.
  • Identifying early neurobiological markers is crucial for timely intervention.
  • Mismatch negativity (MMN) reflects auditory processing and may serve as an endophenotype.

Purpose of the Study:

  • To investigate the relationship between MMN and mental health risk in preschool children.
  • To identify potential neurobiological endophenotypes for childhood psychiatric disorders.
  • To explore the link between auditory processing and behavioral difficulties.

Main Methods:

  • Assessed mental health risk using the Strengths and Difficulties Questionnaire (SDQ).
  • Measured mismatch negativity (MMN) amplitude and latency during a passive oddball task.
  • Correlated MMN measures with SDQ scores in nonclinical preschool children.

Main Results:

  • Children with higher mental health risk scores exhibited significantly smaller MMN amplitudes.
  • A negative correlation was found between MMN amplitude and the assessed risk of mental health problems.
  • No significant findings were reported for MMN latency.

Conclusions:

  • Individual differences in auditory processing, specifically MMN amplitude, are associated with mental health risk in preschoolers.
  • Reduced MMN amplitude may represent a prodromal symptom or endophenotypic marker for psychiatric disorders.
  • These findings highlight the potential of MMN for early detection of mental health issues in children.

Keywords:
event-related potentialmismatch negativitypreschool childrenstrengths and difficulties questionnaire

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