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Updated: Jul 11, 2026

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Published on: October 2, 2014
[Brain mapping in atonic epileptic attacks with consciousness disorders at school age]
E Mempel1, R Tarnecki, P Walerian
1Kliniki Neurochirurgii ICMDiK PAN, Warszawie.
This study challenges traditional views on atonic epileptic seizures, suggesting a cortical origin rather than centrencephalic epilepsy. Brain mapping EEG analysis supports localization of the epileptic focus in the frontal lobe.
Area of Science:
- Neurology
- Epileptology
- Neurophysiology
Background:
- Current understanding of atonic seizures often relies on the centrencephalic epilepsy model proposed by Penfield and Jasper.
- This model suggests a subcortical origin for certain seizure types.
Observation:
- Analysis of atonic epileptic seizures using brain mapping electroencephalography (EEG).
- Electrophysiological and clinical observations were conducted.
- Brain topograms were generated, analyzing frequency and amplitude distribution.
Findings:
- The study's findings contradict the centrencephalic epilepsy concept.
- Evidence supports a cortical origin for atonic seizures.
- The epileptic focus was localized to the anterior right paramedial frontal region in the presented case.
Implications:
- Revises the understanding of atonic seizure pathogenesis.
- Highlights the utility of brain mapping EEG in localizing epileptic foci.
- Suggests potential for targeted therapeutic strategies based on cortical localization.
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