Sleep deprivation stimulates serotonin release in the suprachiasmatic nucleus
Why this work is in the frame
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Bibliographic record
Abstract
Recent literature suggests that sleep deprivation has a general stimulatory effect on the central serotonergic system. Herein we report that in hamsters, sleep deprivation induced by gentle handling for 3 h under dim red light at midday stimulates serotonin release in the suprachiasmatic nuclei by as much as 171%. Basal levels of 5-HT release are re-established within 1 h after cessation of treatment. Sleep deprivation also evokes phase advances of the circadian activity rhythm averaging 2 h. When sleep deprivation is undertaken in bright light, serotonin release is stimulated, but phase-shifting is greatly inhibited. It is therefore proposed that if the phase-resetting response to sleep deprivation is mediated by increased serotonin release, light inhibits the phase-resetting effect by blocking the postsynaptic or other downstream actions of serotonin.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 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 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it