Dynamic imaging of seizure activity in pediatric epilepsy patients
Open accessAbstract
Objective To investigate the feasibility of using noninvasive EEG source imaging approach to image continuous seizure activity in pediatric epilepsy patients.Methods Nine pediatric patients with medically intractable epilepsy were included in this study. Eight of the patients had extratemporal lobe epilepsy and one had temporal lobe epilepsy. All of the patients underwent resective surgery and seven of them underwent intracranial EEG (iEEG) monitoring. The ictal EEG was analyzed using a noninvasive dynamic seizure imaging (DSI) approach. The DSI approach separates scalp EEGs into independent components and extracts the spatio-temporal ictal features to achieve dynamic imaging of seizure sources. Surgical resection and intracranial recordings were used to validate the noninvasive imaging results.Results The DSI determined seizure onset zones (SOZs) in these patients were localized within or in close vicinity to the surgically resected region. In the seven patients with intracranial monitoring, the estimated seizure onset sources were concordant with the seizure onset zones of iEEG. The DSI also localized the multiple foci involved in the later seizure propagation, which were confirmed by the iEEG recordings.Conclusions Dynamic seizure imaging can noninvasively image the seizure activations in pediatric patients with both temporal and extratemporal lobe epilepsy.Significance EEG seizure imaging can potentially be used to noninvasively image the SOZs and aid the pre-surgical planning in pediatric epilepsy patients.
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Electrophysiological source imaging has been used successfully to localize seizures.
“Furthermore, ESI has been used successfully to localize seizures (82–84).”
From Electrophysiological source imaging: A noninvasive window to brain dynamics (2018) · cites this paper as [84]
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- Authors
- Lu, Y., Yang, L., Worrell, G. A., Brinkmann, B., Nelson, C., & He, B.
- Affiliations
- University of Minnesota (US)
- Mayo Clinic (US)
- Corresponding author
- He, Bin
- Venue
- Clinical Neurophysiology
- Publisher
- Elsevier BV
- Published
- 2012-11
- Volume
- 123
- Issue
- 11
- Pages
- 2122-2129
- ISSN
- 1388-2457 (ISSN-L)
- PMC
- PMC3438337
- OpenAlex
- W1966350917
- Cited by
- 32
- References
- 43
- Citations by year
- 2026: 1 · 2024: 1 · 2022: 2 · 2020: 1 · 2019: 2 · 2018: 4 · 2017: 2 · 2016: 3 · 2015: 6 · 2014: 6 · 2013: 3 · 2012: 1
- FWCI
- 3.64
- Type
- journal article
- Language
- en
- Open access
- green
- europepmc.org
- Locations
- Clinical Neurophysiology (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health
- National Institute of Biomedical Imaging and Bioengineering (R01EB007920, R01EB006433)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Epilepsy research and treatment
- Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Keywords
- pediatric epilepsy, seizure onset zone localization, ictal EEG, independent component analysis, intracranial EEG, extratemporal epilepsy, temporal lobe epilepsy, drug-resistant epilepsy, seizure propagation, presurgical planning
- MeSH terms
- Adolescent, Brain Mapping, Child, Child, Preschool, Electroencephalography, Epilepsy, Epilepsy, Temporal Lobe, Feasibility Studies, Humans, Monitoring, Physiologic, Temporal Lobe
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