Bilateral Inferior Altitudinal Defects Secondary to Stroke: A Case Series
Bibliographic record
Abstract
Strokes or cerebrovascular accidents are the third leading cause of death in Canada, comprising 6% of all deaths in the country.1 The elderly and the very young (fetus or newborn infants) are at highest risk for having a stroke with an associated increased risk of death or lasting neurological disability. According to the National Stroke Association recovery guidelines, 10% of stroke survivors will recover almost completely, 25% will recover with minor impairments, 40% will survive with moderate to severe impairments that require specialized care, 10% will require care in a long-term care facility, and 15% will die shortly after the stroke. The National Stroke Association estimates that there are 7 million people in the United States that have survived a stroke and are living with impairments. The Heart and Stroke Foundation’s 2013 Stroke Report has estimated that 315,000 Canadians are living with the effects of stroke. This case series serves as a reminder that, although rare, bilateral inferior altitudinal visual field defects can also occur as the result of a stroke, to highlight the difficulties of orientation and mobility that can result, and to offer potential rehabilitative strategies.
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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 | 0.001 | 0.005 |
| Meta-epidemiology (narrow) | 0.003 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.004 | 0.003 |
| Science and technology studies | 0.004 | 0.002 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.002 | 0.003 |
| Research integrity | 0.004 | 0.004 |
| Insufficient payload (model declined to judge) | 0.003 | 0.002 |
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".