Electrophysiological Correlates of Key and Harmony Processing in 3-year-old Children
Bibliographic record
Abstract
Infants and children are able to track statistical regularities in perceptual input, which allows them to acquire structural aspects of language and music, such as syntax. However, much more is known about the development of linguistic compared to musical syntax. In the present study, we examined 3.5-year-olds’ implicit knowledge of Western musical pitch structure using electroencephalography (EEG). Event-related potentials (ERPs) were measured while children listened to chord sequences that either 1) followed Western harmony rules, 2) ended on a chord that went outside the key, or 3) ended on an in-key but less expected chord harmonically. Whereas adults tend to show an early right anterior negativity (ERAN) in response to unexpected chords (Koelsch, 2009), 3.5-year-olds in our study showed an immature response that was positive rather than negative in polarity. Our results suggest that very young children exhibit implicit knowledge of the pitch structure of Western music years before they have been shown to demonstrate that knowledge in behavioral tasks.
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How this classification was reachedexpand
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 | 0.000 |
| 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 | 0.001 |
| 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 teacher head, 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".