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Related Experiment Video

Updated: Jun 10, 2026

Quantifying Learning in Young Infants: Tracking Leg Actions During a Discovery-learning Task

Quantifying Learning in Young Infants: Tracking Leg Actions During a Discovery-learning Task

Published on: June 1, 2015

Infants' ability to parse continuous actions: further evidence.

Susan J Hespos¹, Stacy R Grossman, Megan M Saylor

¹Psychology Department, Northwestern University, 2029 Sheridan Road, Evanston, IL 60208, United States. hespos@northwestern.edu

Neural Networks : the Official Journal of the International Neural Network Society

|August 24, 2010

Summary

This summary is machine-generated.

Infants detect actions by distinguishing between events and transitions. Novel events capture infant attention more than novel transitions, suggesting events are more salient in action perception.

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Area of Science:

Developmental Psychology
Cognitive Science
Infant Perception

Background:

Understanding how infants segment continuous action sequences is crucial for cognitive development research.
Previous studies suggest infants process visual information in distinct segments.

Purpose of the Study:

To investigate whether events (e.g., occlusion) are more salient to infants than transitions (e.g., bouncing).
To determine if infants' event processing relies on object knowledge.

Main Methods:

Habituation paradigm with 6- and 8-month-old infants exposed to continuous action sequences.
Testing novelty detection by alternating familiar and novel action segments (events and transitions).
Crossed-familiarity design in Experiment 2 to isolate the salience of events versus transitions.

Main Results:

Infants dishabituated to novel action segments in Experiment 1.
Infants showed greater attention to novel events compared to novel transitions in Experiment 2.
Results indicate events possess greater salience than transitions for infant event processing.

Conclusions:

Infant event processing prioritizes salient events over transitional movements.
Object knowledge may inform the segmentation of continuous actions in early development.
Findings contribute to understanding the foundational mechanisms of action perception in infants.