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Updated: Oct 12, 2026

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
Published on: November 14, 2018
Building blocks of joint attention: Early sensitivity to having one's own gaze followed
Holly Rayson1, James J Bonaiuto2, Pier F Ferrari3
1School of Psychology and Clinical Language Sciences, University of Reading, Reading, United Kingdom; Institut des Sciences Cognitives - Marc Jeannerod, CNRS, Bron, France.
Insights
Infants show neural sensitivity to gaze following early on. Behavioral preference for congruent gaze develops significantly between 6.5 and 9.5 months, indicating key developmental changes in joint attention.
Area of Science:
- Developmental neuroscience
- Cognitive psychology
- Infant perception
Background:
- Joint attention is crucial for social development.
- Understanding gaze following in infants is limited.
- Early detection of gaze cues aids social interaction.
Purpose of the Study:
- Investigate the developmental trajectory of gaze-following detection in infants.
- Examine neural and behavioral responses to congruent and incongruent gaze cues.
- Determine the age at which infants develop a preference for attended objects.
Main Methods:
- Electroencephalography (EEG) to record infant neural activity.
- Observation of infant responses to congruent and incongruent adult gaze.
- Preferential looking paradigm to assess behavioral preference.
Main Results:
- Alpha band suppression observed in congruent vs. incongruent conditions at 6.5 and 9.5 months.
- Gaze congruency effect on alpha suppression was stronger at 9.5 months.
- Infants preferred the congruent actor at 9.5 months, but not at 6.5 months.
Conclusions:
- Infants are sensitive to gaze following from 6.5 months.
- Significant neural and behavioral maturation in gaze detection occurs between 6.5 and 9.5 months.
- This developmental period is critical for refining joint attention abilities.
Abstract:
Detecting when one's own gaze has been followed is a critical component of joint attention, but little is known about its development. To address this issue, we used electroencephalography (EEG) to record infant neural responses at 6.5 and 9.5 months during observation of an adult either turning to look at the same object as the infant (congruent actor), or turning to look at a different object (incongruent actor). We also used a preferential looking paradigm to investigate whether infants would demonstrate a preference for the congruent versus incongruent actor. Greater suppression of alpha band activity in the congruent compared to incongruent condition was revealed at both ages in central and parietal regions. However, the effect of congruency on alpha suppression was stronger at 9.5 months, and only at this age did infants demonstrate a preference towards looking at the congruent actor. Together, these results suggest that although infants are sensitive to others' gaze following from early on, important neural and behavioural developments occur between 6.5 and 9.5 months.
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