4.7 Article

Epileptic networks in focal cortical dysplasia revealed using electroencephalography-functional magnetic resonance imaging

Journal

ANNALS OF NEUROLOGY
Volume 70, Issue 5, Pages 822-837

Publisher

WILEY-BLACKWELL
DOI: 10.1002/ana.22535

Keywords

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Funding

  1. Department of Health's National Institute for Health Research Biomedical Research Center
  2. UK Medical Research Council [G0301067]
  3. Bundesministerium fur Bildung und Forschung [01 EV 0703]
  4. Deutsche Forschungsgemeinschaft [LA 1452/3-1]
  5. Swiss National Science Foundation [33CM30-124089]
  6. Fonds de Perfectionnement of the University Hospital of Geneva, Switzerland
  7. Wellcome Trust [067176]
  8. Medical Research Council [G9805089]
  9. Epilepsy Society
  10. Wellcome Trust
  11. MRC [G0301067] Funding Source: UKRI
  12. Medical Research Council [G0200216, G0301067] Funding Source: researchfish
  13. National Institute for Health Research [NF-SI-0509-10161] Funding Source: researchfish

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Objective: Surgical treatment of focal epilepsy in patients with focal cortical dysplasia (FCD) is most successful if all epileptogenic tissue is resected. This may not be evident on structural magnetic resonance imaging (MRI), so intracranial electroencephalography (icEEG) is needed to delineate the seizure onset zone (SOZ). EEG-functional MRI (fMRI) can reveal interictal discharge (IED)-related hemodynamic changes in the irritative zone (IZ). We assessed the value of EEG-fMRI in patients with FCD-associated focal epilepsy by examining the relationship between IED-related hemodynamic changes, icEEG findings, and postoperative outcome.

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