Related Experiment Video

Updated: Aug 6, 2026

Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
06:35

Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm

Published on: April 28, 2016

Intuitions about support in 4.5-month-old infants

A Needham1, R Baillargeon

  • 1Department of Experimental Psychology, Duke University, Durham, NC 27705.

Cognition
|May 1, 1993
PubMed

Insights

Four-and-a-half-month-old infants understand object permanence. They expect unsupported objects to fall, demonstrating early reasoning about physical causality and object support.

Area of Science:

  • Developmental Psychology
  • Cognitive Science
  • Infant Perception

Background:

  • Infants' understanding of physical properties develops early.
  • Previous research suggests infants possess intuitive physics knowledge.

Purpose of the Study:

  • To investigate whether 4.5-month-old infants expect objects to fall when support is removed.
  • To determine if infants possess an innate understanding of gravity and support.

Main Methods:

  • Infants were presented with possible and impossible events involving an object and a platform.
  • Event-related potentials (ERPs) and looking times were measured.
  • Control conditions verified infants' expectations of falling objects.

Main Results:

  • Infants looked significantly longer at the impossible event (object suspended in mid-air) than the possible event.
  • Control conditions confirmed infants' expectations of falling when support was absent or present.

Conclusions:

  • 4.5-month-old infants expect unsupported objects to fall.
  • This indicates an early understanding of physical principles, specifically the necessity of support for object stability.

More Related Videos

Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization05:35

Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization

Published on: April 19, 2017

Exploring Infant Sensitivity to Visual Language using Eye Tracking and the Preferential Looking Paradigm06:07

Exploring Infant Sensitivity to Visual Language using Eye Tracking and the Preferential Looking Paradigm

Published on: May 15, 2019

Related Concept Videos

Imprinting01:22

Imprinting

Behavioral imprinting is observed in some newborn animals and occurs when they develop strong and specific attachments to another animal (usually a parent) following brief, early-life exposures. Offspring imprint onto parents within a brief period after birth or hatching; this time window is called the critical period. Once imprinting occurs, the bond established between the parents and their offspring is usually long-lasting.
Piaget's Stage 1 of Cognitive Development01:14

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.
Exploration...
Piaget's Stage 4 of Cognitive Development01:19

Piaget's Stage 4 of Cognitive Development

The formal operational stage, as described in Piaget's cognitive development theory, begins around age 11 and extends into adulthood. It marks the emergence of advanced cognitive abilities that differentiate adolescent and adult thinking from those of younger children. This stage is characterized by abstract reasoning, hypothetical-deductive reasoning, and a more complex understanding of self and others.
Abstract Reasoning and Hypothetical-Deductive Thinking
Unlike the concrete operational...
The Nativist Approach01:21

The Nativist Approach

The nativist approach to infant cognitive development proposes that infants are born with inherent knowledge structures that allow them to interpret the world almost immediately. This perspective contrasts with earlier developmental theories, such as those proposed by Jean Piaget, which emphasized a more gradual acquisition of cognitive abilities through interaction with the environment. One key concept in this approach is object permanence — the understanding that objects continue to exist...
Socioemotional Development during Infancy01:30

Socioemotional Development during Infancy

Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
Stella Chess...
Attachment01:20

Attachment

Attachment is vital for infant development, as warm social interactions support growth and well-being. In a classic 1958 study by Harry Harlow, the significance of warmth and comfort in forming attachments was examined. Harlow separated newborn monkeys from their mothers and provided two artificial "mothers": one made of cold wire and the other covered in soft cloth. Despite the wire mother offering food, the infant monkeys preferred the comfort of the cloth mother, demonstrating that physical...