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Related Experiment Videos

Midline cerebral malformations and schizophrenia

T F Scott1, T R Price, M S George

  • 1Department of Neurology, Medical College of Pennsylvania, Pittsburgh.

The Journal of Neuropsychiatry and Clinical Neurosciences
|January 1, 1993
PubMed
Summary

Midline brain abnormalities, particularly in the septum pellucidum (SP), are more common in patients with psychotic disorders like schizophrenia. These malformations, especially cavum vergae (CaV), occurred more frequently in women.

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Area of Science:

  • Neuroimaging
  • Psychiatry
  • Neurology

Background:

  • Psychotic disorders, including schizophrenia and schizoaffective disorder, are complex conditions with suspected neurobiological underpinnings.
  • Cerebral malformations, particularly those affecting midline structures, have been an area of interest in understanding brain development and its relation to psychiatric conditions.

Purpose of the Study:

  • To investigate a potential association between midline cerebral malformations and the presence of psychotic disorders.
  • To identify specific types of midline abnormalities and their prevalence in patients with schizophrenia and schizoaffective disorder compared to controls.

Main Methods:

  • Blind evaluation of Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) scans from 52 schizophrenia patients, 9 schizoaffective patients, and 79 nonpsychotic controls.

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  • Statistical analysis, including chi-square tests, was used to compare the frequency of midline abnormalities between patient and control groups, and between genders.

    • Main Results:

    • Midline abnormalities were significantly more prevalent in patients with psychotic disorders (16.4%) compared to controls (5.1%; P < 0.05).
    • Abnormalities of the septum pellucidum (SP), including cavum vergae (CaV) and cavum septum pellucidum (CaSP), were observed in patients.
    • Septum pellucidum abnormalities, particularly cavum vergae, showed a significantly higher frequency in female patients compared to male patients (P < 0.02).

    Conclusions:

    • The study suggests a significant association between midline cerebral malformations and psychotic disorders.
    • Specific abnormalities of the septum pellucidum, especially cavum vergae, may represent a neurodevelopmental marker associated with these disorders, with a notable gender difference.
    • Further research is warranted to elucidate the etiological role of these malformations in the development of psychotic disorders.