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Evidence for reflex activation of experiential complex partial seizures.
O Martinez1, R Reisin, F Andermann
1Hospital Britanico de Buenos Aires, Argentina.
Neurology
|January 10, 2001
Summary
Seizures can be triggered by specific thoughts. This case study shows a patient whose complex partial seizures stopped after brain surgery.
Area of Science:
- Neurology
- Neuroscience
- Epilepsy Research
Background:
- Reflex seizures triggered by cognitive stimuli, such as thoughts or mental imagery, are anecdotally reported by patients but lack objective scientific validation.
- Complex partial seizures (CPS) are a type of epilepsy characterized by altered awareness and experiential symptoms.
Observation:
- The study reports on a male patient experiencing complex partial seizures (CPS) that were consistently triggered by thinking about his family home.
- During continuous electroencephalogram (EEG) monitoring, these seizures were reliably induced through this specific mental visualization.
Findings:
- The patient's seizures proved resistant to standard antiepileptic drug (AED) treatments.
- Surgical resection of the left temporal lobe successfully terminated the seizures.
- Histopathological examination of the resected tissue revealed cortical dysplasia.
Implications:
- This case provides objective evidence for the reflex activation of seizures by specific cognitive processes (thoughts/mental imagery).
- It highlights the potential role of specific brain regions, like the temporal lobe, in mediating thought-induced seizures.
- Findings suggest that targeted surgical intervention may be an effective treatment for select cases of drug-resistant epilepsy with cognitive triggers.