Elevated Nociceptive Thresholds in Rats with Multifocal Brain Damage Induced with Single Subcutaneous Injections of Lithium and Pilocarpine
Bibliographic record
Abstract
To quantify the variability in thermal pain perception of rats with chemically induced brain injury following subcutaneous lithium and pilocarpine administration, 9 female Wistar rats were subjected to a nociceptive (hotplate) paradigm. At approximately 200 days of age, subjects were injected subcutaneously with 3 mEq/kg of lithium chloride followed 4 hr. later by 30 mg/kg of the cholinergic agonist pilocarpine to generate lesions that mimic human temporal lobe (limbic) epilepsy. Over 2 trials 4 of 9 subjects exhibited thermal latencies that exceeded 60 sec. while the remaining subjects obtained mean latencies of 13.40 sec. before demonstrating the criterion nociceptive response. These findings suggest that the multifocal neuronal necrosis subsequent to single peripheral injections of lithium and pilocarpine, followed by the neuroleptic, acepromazine, may significantly augment pain thresholds in certain rats within experimentally epileptic populations.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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".