Music Hath Charms: The Effects of Valence and Arousal on Recovery Following an Acute Stressor
Bibliographic record
Abstract
The purpose of this study was to investigate the effects of the valence and arousal dimensions of music over the time course of physiological (skin conductance level and heart rate) and subjective (Subjective Unit of Discomfort score) recovery from an acute stressor. Participants experienced stress after being told to prepare a speech, and were then exposed to happy, peaceful, sad, or agitated music. Music with a positive valence promoted both subjective and physiological recovery better than music with a negative valence, and low-arousal music was more effective than high-arousal music. Repeated measures analyses found that the emotion conveyed by the music affected skin conductance level recovery immediately following the stressor, whereas it affected heart rate recovery in a more sustained fashion. Follow-up tests found that positively valenced low-arousal (i.e., peaceful) music was more effective across the time course than an emotionally neutral control (white noise).
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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 | 0.001 |
| 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) | 0.002 | 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".