Focal Thalamic and Cortical Magnetic Resonance Changes Associated With Partial Status Epilepticus
Bibliographic record
Abstract
Status epilepticus (SE) is a commonly occurring life-threatening neurological emergency. Magnetic resonance imaging (MRI) may provide insight into the pathophysiological processes implicated in SE and unique MRI patterns associated with partial SE have recently been reported. We describe transient signal changes on MRI in the areas of cortex and thalamus both ipsilateral to the ictal discharges on electroencephalogram (EEG) in a selected group of five patients with partial SE. We believe this pattern is specific to the peri-ictal state and its recognition is important in those cases where the diagnosis of SE is uncertain. We discuss other common MRI findings seen in SE and possible reasons for similar patterns of corticothalamic signal changes in patients with varying etiologies for SE. The determination of the sensitivity and specificity of such an imaging finding for partial SE still requires further large-scale studies, but a correct recognition of these often reversible imaging abnormalities may help to avoid unnecessary diagnostic tests and invasive procedures. doi:10.4021/jnr69w
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
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".