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Learning of hierarchical serial patterns emerges in infancy
David J Lewkowicz1, Mark A Schmuckler2, Diane M J Mangalindan2
1Department of Communication Sciences and Disorders, Northeastern University, Boston, Massachusetts.
Developmental Psychobiology
|February 20, 2018
Summary
Infants can learn complex hierarchical patterns, crucial for language and cognition. This ability emerges in the first year of life, showing early development of general pattern learning mechanisms.
Area of Science:
- Cognitive Development
- Developmental Psychology
- Computational Linguistics
Background:
- Hierarchical serial patterns are fundamental to human cognition and behavior.
- Understanding the emergence of hierarchical pattern learning in infancy is key to cognitive development.
Purpose of the Study:
- To investigate the emergence of hierarchical pattern learning in human infants.
- To determine the age at which infants can perceive, learn, and generalize recursive, hierarchical patterns.
Main Methods:
- Habituation paradigm with 204 infants across different age groups (4-14 months).
- Testing for discrimination and generalization of hierarchical versus non-hierarchical serial patterns.
Main Results:
- Infants aged 8-10 months and 12-14 months showed sensitivity to hierarchical structure.
- Younger infants (4-6 months) did not demonstrate this sensitivity.
- Evidence suggests a developmental emergence of hierarchical pattern perception.
Conclusions:
- The capacity for learning and generalizing recursive, hierarchical patterns develops during infancy.
- General-purpose pattern learning mechanisms are present within the first year of life.
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