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Correlation between metabolite concentrations in the frontal lobes, determined using 1H-MRS, and IQ in children with

Andrzej Urbanik1, Teresa Jadczak-Szumiło2, Monika Ostrogórska1

  • 1Department of Radiology, Collegium Medicum, Jagiellonian University, Krakow, Poland.

Polish Journal of Radiology
|November 20, 2025
PubMed

Insights

Children with Foetal Alcohol Spectrum Disorder (FASD) have lower IQs, linked to frontal lobe metabolic changes like elevated lipid levels, compared to healthy peers. This study explored the brain metabolism and IQ relationship in children with FASD.

Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Radiology

Background:

  • Foetal Alcohol Spectrum Disorder (FASD) encompasses conditions arising from prenatal alcohol exposure.
  • Understanding the neurobiological underpinnings of cognitive deficits in FASD is crucial.

Purpose of the Study:

  • To investigate the relationship between frontal lobe brain metabolism and IQ in children diagnosed with FASD.
  • To compare metabolic profiles and cognitive function between children with FASD and a control group.

Main Methods:

  • 124 children (5-17 years) with diagnosed FASD (FAS, pFAS, ARND) were assessed.
  • Cognitive function was evaluated using the Wechsler Intelligence Scale for Children (WISC-R).
  • Frontal lobe brain metabolism was analyzed using proton magnetic resonance spectroscopy (¹H-MRS).

Main Results:

  • Children with FASD exhibited significantly lower IQ scores (mean 90.42) compared to controls (mean 121.26).
  • Elevated Lip/Cr levels were observed in the left frontal lobe of children with FASD.
  • A significant negative correlation was found between IQ and Lip/Cr concentrations in the right and bilateral frontal lobes.

Conclusions:

  • Children with FASD demonstrate significantly impaired cognitive function (lower IQ) compared to healthy controls.
  • Prenatal alcohol exposure appears to induce frontal lobe metabolic alterations, specifically increased lipid levels, associated with reduced IQ in FASD.
  • These findings highlight potential neuroimaging biomarkers for cognitive deficits in FASD.
Abstract

Keywords:
FASDIQbrainmetabolites concentrationprenatal alcohol consumption

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