Embryonic Pretreatment with Bromodeoxyuridine Blocks Regeneration and Functional Recovery from Perinatal Medial Frontal Lesions in Rats
Bibliographic record
Abstract
Removal of the midline frontal cortex on postnatal day 10 is followed by apparent regeneration of the part of the lost cortex, correlated with substantial recovery of function in adulthood. The spontaneous regrowth of the medial frontal cortex after midline frontal lesions on postnatal day 10 was blocked by pretreatment with bromodeoxyuridine (BrdU) on embryonic days 11, 12, 13, 15, or 17. BrdU pretreatment on embryonic day 21 or postnatal day 10 did not block either functional recovery or cortical regrowth. These results demonstrate a teratological effect of BrdU and are consistent with the claim that functional recovery after midline frontal removal on postnatal day 10 is supported by the generation of new midline frontal tissue.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 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 | 0.001 |
| 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".