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Published on: July 31, 2016
Exploring emotional face processing in 5-month-olds: The relation with quality of parent-child interaction and
Carlijn van den Boomen1, Nicolette M Munsters1,2,3, Maja Deković4
1Department of Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, The Netherlands.
Insights
Five-month-old infants
Area of Science:
- Developmental Psychology
- Neuroscience
- Infant Studies
Background:
- Infant emotional face processing is crucial for social development.
- Previous research presents conflicting findings on early emotional face perception.
- Factors influencing infant brain responses to emotional faces require further investigation.
Purpose of the Study:
- To determine if 5-month-old infants exhibit differential brain activity to emotional faces.
- To explore the influence of spatial frequency content on emotional face processing.
- To examine the relationship between parent-child interaction quality and emotional face processing.
Main Methods:
- Electroencephalography (EEG) measured face-sensitive components (N290, P400, Nc).
- Infants viewed neutral and fearful faces with varying spatial frequencies.
- Parent-child interaction quality was assessed using the Manchester Assessment of Caregiver Infant Interaction (MACI).
Main Results:
- No significant differences in brain activity between emotional expressions were found in the overall group.
- Infants with high-quality parent-child interactions showed differential processing of emotional faces.
- Infants with low-quality interactions did not exhibit differential emotional face processing.
Conclusions:
- Differential emotional face processing emerges in a subset of 5-month-old infants.
- High-quality parent-child interactions are associated with enhanced emotional face perception in infancy.
- Interaction quality may play a significant role in the development of infant emotional processing.
Abstract:
It is unclear whether infants differentially process emotional faces in the brain at 5 months of age. Contradictory findings of previous research indicate that additional factors play a role in this process. The current study investigated whether five-month-old infants show differential brain activity between emotional faces. Furthermore, we explored the relation between emotional face processing and (I) stimulus characteristics, specifically the spatial frequency content, and (II) parent, child, and dyadic qualities of interaction characteristics. Face-sensitive components (i.e., N290, P400, Nc) in response to neutral and fearful faces that contained only lower or higher spatial frequencies were assessed. Quality of parent-child interaction was assessed with the Manchester Assessment of Caregiver Infant Interaction (MACI). The results show that, as a full group, none of the components differed between emotional expressions. However, when splitting the group based on median MACI scores, infants who showed high quality of interaction (i.e., more attentiveness to caregiver, positive and negative affect, and liveliness) processed emotions differently, whereas infants who showed low quality did not. These results indicate that a sub-group of infants show differential emotional face processing at 5 months of age, which seem to relate to quality of their behavior during the parent-child interaction.
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