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A study of schizophrenic brains by computerized tomography scans
Folia Psychiatrica Et Neurologica Japonica
|January 1, 1981
Summary
Schizophrenia patients show enlarged brain ventricles and fissures, suggesting these structural changes are linked to the illness itself, not just aging. These findings offer insights into the pathogenesis of schizophrenia.
Area of Science:
- Neuroscience
- Radiology
- Psychiatry
Background:
- Schizophrenia is a complex mental disorder with debated neurobiological underpinnings.
- Previous research suggests potential structural brain abnormalities in individuals with schizophrenia.
Purpose of the Study:
- To investigate specific brain structural differences between individuals with schizophrenia and healthy controls.
- To explore the relationship between these structural changes and the schizophrenic illness.
Main Methods:
- Computerized tomography (CT) scans were performed on 55 patients diagnosed with schizophrenia and 65 healthy controls.
- Quantitative measurements of the interhemispheric fissure width, third ventricle width, and lateral ventricle volume were analyzed.
Main Results:
- Significantly larger interhemispheric fissure width and third ventricle width were observed in schizophrenic patients compared to controls.
- A significantly increased volume of the lateral ventricles, including the anterior horns, was found in the schizophrenic group.
- These observed brain structural differences were attributed to the schizophrenic illness rather than the aging process.
Conclusions:
- The study suggests that enlarged lateral ventricles and interhemispheric fissure width are characteristic brain alterations in schizophrenia.
- These structural changes are hypothesized to be integral to the pathogenesis of schizophrenia.
- The findings support the role of neurodevelopmental or neurodegenerative processes in the pathophysiology of schizophrenia.