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Updated: May 5, 2026

Quantifying Learning in Young Infants: Tracking Leg Actions During a Discovery-learning Task
Published on: June 1, 2015
Where is the baby in core knowledge?
1Department of Psychology, Stanford University, Stanford, CA, USA gweon@stanford.edu; pgzhu@stanford.eduhttps://sll.stanford.edu.
Insights
Investigating babies as active participants, not just observers, reveals how their actions shape early intelligence. This approach enhances our understanding of infant perception, action, and self-awareness development.
Area of Science:
- Developmental Psychology
- Cognitive Science
- Infant Studies
Background:
- The core knowledge proposal explains infant cognition but may overlook the infant's active role.
- Understanding infant intelligence requires examining the interplay between perception and action.
Purpose of the Study:
- To explore infant cognition by focusing on the baby as an actor.
- To investigate the origins of human intelligence through the perception-action interface.
- To understand how infants learn about themselves in their environment.
Main Methods:
- Observational studies of infant behavior.
- Analysis of infant interaction with their environment.
- Theoretical framework integrating perception and action.
Main Results:
- Viewing babies as actors provides a richer understanding of their cognitive development.
- The perception-action interface is crucial for developing early intelligence.
- Infants actively construct self-knowledge through interaction.
Conclusions:
- Shifting focus to the active infant enhances theories of cognitive development.
- Emphasizing the perception-action loop is key to understanding infant intelligence.
- Infant self-awareness emerges from active engagement with the world.
Abstract:
What we know about what babies know - as represented by the core knowledge proposal - is perhaps missing a place for the baby itself. By studying the baby as an actor rather than an observer, we can better understand the origins of human intelligence as an interface between perception and action, and how humans think and learn about themselves in a complex world.
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