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Piaget's Stage 1 of Cognitive Development

Piaget's Stage 1 of Cognitive Development

The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
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Related Experiment Video

Updated: Jun 11, 2026

A View of Their Own: Capturing the Egocentric View of Infants and Toddlers with Head-Mounted Cameras

A View of Their Own: Capturing the Egocentric View of Infants and Toddlers with Head-Mounted Cameras

Published on: October 5, 2018

What's in View for Toddlers? Using a Head Camera to Study Visual Experience.

Hanako Yoshida¹, Linda B Smith

¹University of Houston.

Infancy : the Official Journal of the International Society on Infant Studies

|September 28, 2011

Summary

Researchers developed a new head-mounted camera method to observe how toddlers aged 18-24 months visually engage with objects. This study reveals the crucial role of embodied actions and hands in shaping young children's visual attention and object exploration.

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Last Updated: Jun 11, 2026

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Published on: November 14, 2018

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Published on: May 15, 2019

Area of Science:

Developmental Psychology
Cognitive Science
Human-Computer Interaction

Background:

Understanding early childhood visual perception is crucial for developmental studies.
Previous methods often lack ecological validity for observing naturalistic infant behavior.

Purpose of the Study:

To introduce and validate a novel head-mounted camera method for studying infant visual experiences.
To investigate the relationship between head/eye movements and visual fields in toddlers.
To explore the role of embodied actions in toddlers' attentional strategies during object interaction.

Main Methods:

Two experiments were conducted with 18- to 24-month-old infants.
Experiment 1 validated the head camera's view by examining head and eye movement coupling.
Experiment 2 utilized the method in a naturalistic parent-child toy play setting.

Main Results:

The head camera effectively captures the infant's visual field, correlating with head and eye movements.
Toddlers' attentional strategies are embodied, significantly involving hand actions.
The method provided insights into the visual experience of objects during play.

Conclusions:

The head-mounted camera is a promising tool for studying young children's visual experiences.
Findings highlight the embodied nature of toddler attention and object interaction.
This method offers new avenues for research into the ecology of early visual perception.