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Gray matter heterotopias in schizophrenia
P C Nopoulos1, M Flaum, N C Andreasen
1Department of Psychiatry, University of Iowa Hospitals and Clinics, Iowa City 52242, USA.
Psychiatry Research
|May 31, 1995
Summary
Gray matter heterotopias (GMHs), a neuronal migration anomaly, were observed in two schizophrenia patients. This suggests GMHs may be more common in schizophrenia and potentially involved in its pathogenesis.
Area of Science:
- Neuroscience
- Radiology
- Psychiatry
Background:
- Gray matter heterotopias (GMHs) are developmental brain anomalies resulting from arrested neuronal migration.
- GMHs typically present with neurological symptoms like seizures and cognitive deficits.
Observation:
- Two cases of GMH were identified in patients with schizophrenia using magnetic resonance imaging.
- These patients exhibited schizophrenia symptoms but lacked other neurological abnormalities or scan findings.
Findings:
- The incidence of GMH in the general population is unknown.
- GMHs might be more prevalent in individuals with schizophrenia than in the general population.
Implications:
- Neuronal migration abnormalities could play a role in the pathogenesis of schizophrenia in a subset of patients.
- Further research is warranted to explore the link between GMHs and schizophrenia.