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Updated: Jan 22, 2026
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Simultaneous Label-Free Autofluorescence Multi-Harmonic Microscopy
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Intersecting Constraints on Label Learning: Effects of Age, Label Properties, and Referential Context
Katharine Graf Estes1, Dylan M Antovich1, Jessica F Hay2
1University of California, Davis.
Summary
Infants
Area of Science:
- Developmental psychology, focusing on language acquisition and cognitive development in infants.
Background:
- Infants' word learning becomes more constrained as they gain native language knowledge.
- The developmental trajectory of label selectivity is influenced by learning context and testing methods.
Purpose of the Study:
- To investigate how referential context (familiar objects/names) impacts infant learning of non-speech sound labels.
- To examine the developmental changes in constraints on word learning from 14 to 19 months of age.
Main Methods:
- Experimental design presenting infants with novel non-speech sound labels in varying referential contexts.
- Comparison of label learning in younger (14-month-old) and older (19-month-old) infants.
Main Results:
- Younger infants (14-month-olds) were more receptive to learning non-speech sound labels than older infants (19-month-olds).
- Younger infants showed greater susceptibility to the influence of referential context when learning labels.
- Evidence for intersecting developmental constraints in word learning was observed.
Conclusions:
- Infants develop expectations regarding labels and labeling contexts as their learning sophistication increases.
- The ability to learn non-standard labels and the impact of context change with age and experience.
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