Language-Specific Sound-Shape Matching at 12-Months of Age
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Bibliographic record
Abstract
By 12 months of age, infants exhibit behavioral sensitivity to sound symbolism (e.g. sound-shape correspondences) when they hear universally sound symbolic pseudowords (e.g. “bouba,” “kiki”). Here, we investigated whether infant’s sensitivity to sound-shape correspondences is affected when they hear language-specific sound symbolic words. Using the spontaneous preference-looking paradigm, we tested 12-month-old monolingual Spanish (n = 13) and Basque (n = 16) infants matching Spanish-like pseudowords (i.e. “bubano,” “raceto”) with rounded and spiky shapes. These pseudowords were created by Spanish-Basque bilingual adults, who then rated pseudowords as more Spanish or Basque-like, and more rounded or spikey-like. Infants were presented with eight congruent (e.g. “bubano” presented with a rounded shape) and incongruent (e.g. “bubano” presented with a spiky shape) trials. Both Spanish and Basque-learning infants displayed similar increased sensitivity to incongruent than to congruent trials. We found weak evidence that language background modulates sound-shape correspondence. These results suggest that at 12 months of age, specific language experience (e.g. Spanish vs. Basque) most likely does not alter sound-shape bias when hearing Spanish-like sound combinations. This study was the first to utilize language-specific instead of language nonspecific stimuli. Nonetheless, similar to previous investigations, the sound-shape bias effect was exhibited at 12 months of age in both language groups.
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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 | 0.000 |
| 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 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.011 | 0.001 |
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