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A Within-subjects Experimental Protocol to Assess the Effects of Social Input on Infant EEG
Published on: May 3, 2017
The control of social attention from 1 to 4 months
Oliver Perra1, Merideth Gattis
1Institute of Child Care Research, School of Sociology, Social Policy and Social Work, Queen's University Belfast, UK. o.perra@qub.ac.uk
Insights
Infants develop social attention skills early in life. By 3 months, babies follow adult gaze and shift attention flexibly, indicating developing disengagement abilities.
Area of Science:
- Developmental Psychology
- Cognitive Neuroscience
- Infant Behavior
Background:
- Understanding the origins of social attention is crucial for cognitive development.
- Early infancy is a critical period for the emergence of social-communication skills.
- The ability to follow gaze and share attention develops progressively in infants.
Purpose of the Study:
- To investigate the developmental trajectory of social attention control in early infancy.
- To determine if infants can follow an adult's head turn and shift gaze between the experimenter and a target.
- To examine the relationship between attention following and gaze shifting abilities in infants.
Main Methods:
- Two studies were conducted, involving infants at different age points (1-month-olds and longitudinally from 2-4 months).
- An adult experimenter turned their head towards one of two targets in the infant's visual field.
- Infants' head and eye movements were observed to assess attention following and gaze shifting behaviors.
Main Results:
- One-month-old infants did not show group-level attention following.
- By 3 and 4 months, infants demonstrated the ability to follow the adult's head turn.
- Infants at 3 and 4 months who followed the head turn also exhibited gaze shifts between the experimenter and target.
Conclusions:
- The control of social attention emerges in early infancy, with significant development between 2 and 3 months.
- Following another person's attention appears dependent on the maturation of disengagement skills.
- By 3 months, infants utilize social cues to flexibly distribute their attention.
Abstract:
The control of social attention during early infancy was investigated in two studies. In both studies, an adult turned towards one of two targets within the infant's immediate visual field. We tested: (a) whether infants were able to follow the direction of the adult's head turn; and (b) whether following a head turn was accompanied by further gaze shifts between experimenter and target. In the first study, 1-month-olds did not demonstrate attention following at the group level. In addition, those infants who turned towards the same target remained fixed on it and did not shift attention again. In Study 2, we tested infants longitudinally at 2-4 months. At the group level, infants followed the adult's head turn at 3 and 4 months but not at 2 months. Those infants who turned towards the same target at 3 and 4 months also shifted gaze back and forth between experimenter and target. By 3 months, infants seem able to capitalize on the social environment to disengage and distribute attention more flexibly. The results support the claim that the control of social attention begins in early infancy, and are consistent with the hypothesis that following the attention of other people is dependent on the development of disengagement skills.
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