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Updated: Sep 13, 2025
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How to Obtain Reliable Visual Event-related Potentials in Newborns
Published on: October 24, 2019
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Neural Pathways of Visual Face Recognition Immediately After Birth
Carlo Lai1, Chiara Ciacchella1, Daniela Altavilla2
1Department of Dynamic and Clinical Psychology, and Health Studies, Sapienza University of Rome, 00185 Rome, Italy.
Life (Basel, Switzerland)
|July 29, 2025
Summary
Newborn infants can recognize familiar faces shortly after birth. This study used electroencephalography (EEG) to show distinct brain responses to known versus novel faces in newborns.
Area of Science:
- Neuroscience
- Developmental Psychology
- Cognitive Science
Background:
- Face recognition is crucial for social development.
- Understanding early face processing in newborns provides insight into the origins of social cognition.
Purpose of the Study:
- To investigate the electrophysiological markers of face-identity recognition in newborn infants.
- To determine if newborns can differentiate between familiar and novel faces immediately after birth.
Main Methods:
- Electroencephalography (EEG) was used to record brain activity in 23 newborns (3-24 hours old).
- Infants viewed a familiar face for 60 seconds, followed by presentations of known faces, novel faces, and chessboards.
- Event-related potentials (ERPs) were analyzed in a subset of 11 infants.
Main Results:
- Infants showed distinct brain responses (N290, P400, LC2 components) to familiar versus novel faces in the left hemisphere.
- A shorter N290 latency was observed for familiar faces compared to novel faces.
- Novel faces elicited longer N290 latency compared to chessboards, indicating object differentiation.
Conclusions:
- Newborn infants process faces differently from objects shortly after birth.
- Infants demonstrate the ability to discriminate between a familiar face and a novel face after brief exposure.
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