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Seizures and schizophrenia
1Clinical Brain Disorders Branch, NIMH Neuroscience Ctr., St. Elizabeths Hospital, Washington, DC 20032, USA.
Schizophrenia Bulletin
|January 1, 1997
Summary
Patients with epilepsy have higher rates of psychosis and schizophrenia. Schizophrenia patients are more prone to seizures, potentially due to brain abnormalities and medications affecting seizure thresholds.
Area of Science:
- Neuroscience
- Psychiatry
- Neurology
Background:
- Epilepsy and schizophrenia share a complex relationship, with increased comorbidity.
- Patients with schizophrenia exhibit a higher incidence of seizures compared to the general population.
Purpose of the Study:
- To explore the neuropathological links between epilepsy, psychosis, and schizophrenia.
- To review clinical recommendations for managing seizures in schizophrenia patients.
Main Methods:
- Review of neuropathological investigations into the anatomic substrate of seizures in psychosis and schizophrenia.
- Analysis of potential contributing factors, including illness-related effects and psychotropic medications.
Main Results:
- Neuropathological findings suggest neurodevelopmental abnormalities in the mesial temporal lobe are implicated in seizures within these patient groups.
- Psychotropic medications may lower the seizure threshold, contributing to seizure vulnerability.
Conclusions:
- The co-occurrence of epilepsy and schizophrenia suggests shared underlying neuropathological mechanisms, particularly involving the mesial temporal lobe.
- Clinical guidelines are provided for the evaluation and pharmacological management of seizures in patients with schizophrenia.