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Superior temporal gyrus differences in childhood-onset schizophrenia.

Janelle L Taylor1, Rebecca E Blanton, Jennifer G Levitt

  • 1Laboratory of Neuro Imaging, Deptartment of Neurology, Division of Brain Mapping, UCLA School of Medicine, 710 Westwood Plaza, Los Angeles, CA 90095-1769, USA.

Schizophrenia Research
|January 18, 2005
PubMed
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Children with schizophrenia showed enlarged right posterior superior temporal gyrus (STG) volumes, particularly in white matter. This finding in childhood-onset schizophrenia (COS) may link to language impairments.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Developmental Psychology

Background:

  • The posterior superior temporal gyrus (STG), including Wernicke's area, is crucial for language processing.
  • Previous research indicates abnormalities in the STG in adults with schizophrenia.
  • The neurobiology of childhood-onset schizophrenia (COS) requires further investigation, particularly regarding structural brain differences.

Purpose of the Study:

  • To investigate volumetric differences in the superior temporal gyrus (STG) in individuals with childhood-onset schizophrenia (COS).
  • To explore potential neural correlates of language impairment in COS by examining STG morphology.

Main Methods:

  • Magnetic Resonance Imaging (MRI) scans were obtained from 18 subjects diagnosed with COS.
  • 16 age- and sex-matched healthy controls were included for comparison.

Related Experiment Videos

  • Volumetric analysis of the superior temporal gyrus was performed on all participants.

    • Main Results:

    • Subjects with COS exhibited a significant enlargement of the right posterior superior temporal gyrus (STG).
    • Increased white matter volumes were observed bilaterally in the posterior STG of COS subjects.
    • These findings align with previous studies reporting enlarged temporal lobe regions in COS.

    Conclusions:

    • The study identifies structural brain differences, specifically enlarged posterior STG volumes, in childhood-onset schizophrenia (COS).
    • These volumetric changes, particularly white matter increases, may represent a neural basis for language deficits in COS.
    • Further research is warranted to understand the developmental trajectory and functional implications of these findings.