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Related Experiment Video

Updated: May 2, 2026

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

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

Published on: May 15, 2019

Detecting 'infant-directedness' in face and voice.

Hojin I Kim¹, Scott P Johnson

¹Department of Psychology, University of California, Los Angeles, USA.

Developmental Science

|March 1, 2014

Summary

Infants prefer looking at infant-directed (ID) faces over adult-directed (AD) faces, regardless of the accompanying speech. This preference for ID faces mirrors their known preference for ID speech.

Area of Science:

Developmental Psychology
Infant Perception
Social Cognition

Background:

Infants demonstrate a preference for infant-directed (ID) speech over adult-directed (AD) speech.
The visual perception of faces plays a crucial role in early social development.
Understanding how auditory cues influence visual face perception in infants is key.

Purpose of the Study:

To investigate 3- and 5-month-old infants' perception of ID faces.
To examine the role of speech (ID vs. AD) in infants' face perception.
To determine if preferences for ID speech extend to ID faces.

Main Methods:

Infants' eye movements were recorded using eye-tracking technology.
Participants viewed side-by-side talking ID and AD faces.

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Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

Related Experiment Videos

Last Updated: May 2, 2026

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

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

Published on: May 15, 2019

Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms

Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms

Published on: February 8, 2019

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

Auditory conditions included ID speech, AD speech, and silence.

Main Results:

Infants consistently spent more time looking at ID faces compared to AD faces.
This preference for ID faces was observed across all sound conditions.
While ID speech increased overall looking time, it did not specifically enhance attention to the ID face.

Conclusions:

Infants exhibit a clear visual preference for ID faces.
This visual preference is independent of the accompanying auditory speech.
The findings suggest that infants' established preference for ID speech generalizes to their perception of ID faces.