Noninvasive Electrophysiological Investigations in Insular Epilepsy
Bibliographic record
Abstract
The insular cortex is gaining attention in the epilepsy literature; however, characteristics of insular epilepsy on non-invasive electrophysiological studies are still being defined. In this chapter, we review this emerging literature with a focus on electroencephalography and present the ictal and interictal findings of 106 patients collected in the literature. Despite the location of the insula in the depth of the Sylvian fissure, a majority of patients have ictal and interictal epileptiform abnormalities on scalp EEG, which are most commonly found in the frontal or fronto-temporal electrodes. The distribution of these findings follows an antero-posterior gradient in keeping with the connectivity pathways of the insular cortex. Multifocal abnormalities are common in the pediatric population and should not preclude surgical evaluation. Evidence is increasingly favoring magnetoencephalography as a complementary modality to EEG and its use will likely be more prominent. Scarce data is available on the utility of high-density EEG, and more studies are thus needed.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 0.004 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".