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Exploring Infant Sensitivity to Visual Language using Eye Tracking and the Preferential Looking Paradigm
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Brain responses reveal young infants' sensitivity to when a social partner follows their gaze

Tobias Grossmann1, Sarah Lloyd-Fox, Mark H Johnson

  • 1Early Social Development Group, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.

Developmental Cognitive Neuroscience
|November 5, 2013
PubMed

Insights

Five-month-old infants show brain responses when a social partner follows their gaze, indicating early sensitivity to social cues. This finding is crucial for understanding infant social learning and cognitive development.

Area of Science:

  • Developmental Psychology
  • Neuroscience
  • Cognitive Science

Background:

  • Infants' gaze-following is a key early social cognitive skill.
  • It remains unclear if infants detect when their gaze is followed by others.
  • This sensitivity could be vital for social learning and information gathering.

Purpose of the Study:

  • To investigate if 5-month-old infants are sensitive to a social partner following their gaze.
  • To explore the neural correlates of this sensitivity using neuroimaging.

Main Methods:

  • Functional near-infrared spectroscopy (fNIRS) was used to measure brain activity in infants.
  • Infants' frontal and temporal cortex responses were recorded during interactions with a virtual agent.
  • Two conditions were used: congruent (agent followed infant's gaze) and incongruent (agent looked elsewhere).

Main Results:

  • A region in the left prefrontal cortex showed increased activity during the congruent condition compared to baseline.
  • No significant increase in activity was observed in the incongruent condition.
  • This suggests infants are sensitive to their gaze being followed.

Conclusions:

  • Infants demonstrate neural sensitivity to being looked at by a social partner.
  • This finding contributes to understanding the development of early social cognition.
  • The results have implications for the study of social learning and brain processes in infancy.

Keywords:
GazeInfancyJoint attentionPrefrontal cortexfNIRS

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