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A Within-subjects Experimental Protocol to Assess the Effects of Social Input on Infant EEG
Published on: May 3, 2017
Infants' Temperament and Mothers', and Fathers' Depression Predict Infants' Attention to Objects Paired with
Evin Aktar1,2, Dorothy J Mandell3, Wieke de Vente4
1Amsterdam Brain and Cognition, University of Amsterdam, Nieuwe Achtergracht 129, 1018WS, Amsterdam, Netherlands. E.Aktar@uva.nl.
Insights
Infants learn from emotional cues, but their attention to objects paired with emotions is influenced by their own sadness and parental depression. This impacts social learning.
Area of Science:
- Developmental Psychology
- Infant Social Cognition
- Emotional Learning
Background:
- Social referencing (SR) emerges between 10-14 months, enabling infants to learn from others' emotional reactions to novel stimuli.
- Effective SR relies on the integrated processing of emotional cues and head/gaze direction.
- Understanding infant attention in the early stages of SR is crucial for developmental research.
Purpose of the Study:
- To investigate the effects of emotional faces and head/gaze direction on infant attention to objects.
- To explore the relationship between infant temperament, parental mood, and infant attention during social referencing.
- To examine how parental depression and anxiety influence infants' attention to emotion-object associations.
Main Methods:
- Pupillometry was used to measure the attention of 57 infants (14-17 months old).
- Infants viewed unfamiliar objects presented alone and paired with emotional (happy, sad, fearful, neutral) or neutral faces with varying gaze directions.
- Infant temperament and parental negative affect, depression, and anxiety were assessed via questionnaires.
Main Results:
- Infants showed greater attention to negative vs. neutral faces alone, but less attention to objects paired with emotional vs. neutral faces.
- Infants' sad temperament predicted increased attention to emotional faces.
- Maternal and paternal depression modulated infants' attention to emotion-object associations, with effects varying based on infant temperament.
Conclusions:
- Infants' innate temperamental sadness influences their attention to emotional cues and object associations.
- Maternal and paternal depression can significantly impact how infants attend to emotional information in social learning contexts.
- These findings highlight the interplay between infant disposition and parental mood in shaping early social learning.
Abstract:
Between 10 and 14 months, infants gain the ability to learn about unfamiliar stimuli by observing others' emotional reactions to those stimuli, so called social referencing (SR). Joint processing of emotion and head/gaze direction is essential for SR. This study tested emotion and head/gaze direction effects on infants' attention via pupillometry in the period following the emergence of SR. Pupil responses of 14-to-17-month-old infants (N = 57) were measured during computerized presentations of unfamiliar objects alone, before-and-after being paired with emotional (happy, sad, fearful vs. neutral) faces gazing towards (vs. away) from objects. Additionally, the associations of infants' temperament, and parents' negative affect/depression/anxiety with infants' pupil responses were explored. Both mothers and fathers of participating infants completed questionnaires about their negative affect, depression and anxiety symptoms and their infants' negative temperament. Infants allocated more attention (larger pupils) to negative vs. neutral faces when the faces were presented alone, while they allocated less attention to objects paired with emotional vs. neutral faces independent of head/gaze direction. Sad (but not fearful) temperament predicted more attention to emotional faces. Infants' sad temperament moderated the associations of mothers' depression (but not anxiety) with infants' attention to objects. Maternal depression predicted more attention to objects paired with emotional expressions in infants low in sad temperament, while it predicted less attention in infants high in sad temperament. Fathers' depression (but not anxiety) predicted more attention to objects paired with emotional expressions independent of infants' temperament. We conclude that infants' own temperamental dispositions for sadness, and their exposure to mothers' and fathers' depressed moods may influence infants' attention to emotion-object associations in social learning contexts.
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