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Abnormal Brain Structure Morphology in Early-Onset Schizophrenia.

Jia Cai1, Wei Wei1, Liansheng Zhao1

  • 1Mental Health Center, West China Hospital of Sichuan University, Chengdu, China.

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|July 25, 2022
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Summary

Early-onset schizophrenia (EOS) shows distinct brain structure differences compared to healthy individuals. These findings in brain morphology, particularly in the temporal and frontal lobes, may indicate key features of EOS.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Radiology

Background:

  • Early-onset schizophrenia (EOS) presents a unique opportunity to study schizophrenia pathogenesis due to reduced environmental and medication influences.
  • Understanding EOS pathophysiology is crucial for early intervention and treatment.

Purpose of the Study:

  • To investigate brain structure morphology in individuals with early-onset schizophrenia (EOS) compared to healthy controls.
  • To explore differences in brain structure between familial and sporadic EOS.

Main Methods:

  • T1-weighted magnetic resonance imaging (MRI) was used for 60 EOS patients and 40 healthy controls.
  • Voxel-based morphometry (VBM) and surface-based morphometry (SBM) were employed for analysis.
  • Comparisons included gray matter volume, cortical thickness, and cortical surface area.

Main Results:

  • EOS patients exhibited reduced gray matter volume in the bilateral middle temporal gyrus compared to controls.
  • Reduced cortical thickness was observed in several brain regions in the EOS group.
  • Distinct brain structure morphology was found between sporadic and familial EOS subgroups.

Conclusions:

  • Abnormal brain structure morphology, particularly in the temporal and frontal lobes, is a significant feature of EOS.
  • These structural differences may play a critical role in the pathophysiology of early-onset schizophrenia.
  • Findings highlight the importance of neuroimaging in understanding EOS.