An 8-year-old boy with ataxia and abnormal movements
Bibliographic record
Abstract
An 8-year-old boy presents with ataxia and chorea. The patient was born at term to a nonconsanguineous Caucasian couple following an unremarkable pregnancy. The neonatal period was complicated by respiratory distress, requiring intubation and treatment for presumed congenital pneumonia. He was hypotonic as an infant and presented with ataxia and gross motor delay at 18 months. While his ataxia remained static, he developed dystonia, choreoathetosis, and attention deficit hyperactivity disorder (ADHD). The patient’s father had a clinical diagnosis of ataxic cerebral palsy (CP). On physical exam, he had ataxia as well as choreoathetoid movements in his hands and dystonic posturing of his feet. Tone was intermittently increased, likely related to involuntary movements. No spasticity was noted. Deep tendon reflexes were normal. Plantar response was equivocal bilaterally. Rapid alternating movements and finger-to-nose testing were difficult due to involuntary movements. Limited stride length and hyperextension of the knees were noted in gait.
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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 | 0.003 |
| Meta-epidemiology (narrow) | 0.003 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.007 | 0.010 |
| Insufficient payload (model declined to judge) | 0.002 | 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".