Event-related potential (ERP) indices of infants' recognition of familiar and unfamiliar objects in two and three dimensions

We measured infants’ recognition of familiar and unfamiliar 3‐D objects and their 2‐D representations using event‐related potentials (ERPs). Infants differentiated familiar from unfamiliar objects when viewing them in both two and three dimensions. However, differentiation between the familiar and n...

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Bibliographic Details
Published in:Developmental science 2006-01, Vol.9 (1), p.51-62
Main Authors: Carver, Leslie J., Meltzoff, Andrew N., Dawson, Geraldine
Format: Article
Language:English
Subjects:
Babies
Child Development
Child Development - physiology
Cognition & reasoning
Cognitive Processes
Comprehension
Diagnostic Tests
Electroencephalography
Evaluation Methods
Evoked Potentials, Visual - physiology
Experimental psychology
Familiarity
Female
Humans
Infant
Infants
Male
Novelty (Stimulus Dimension)
Pattern Recognition, Visual - physiology
Photic Stimulation
Recognition (Psychology)
Recognition (Psychology) - physiology
Sensory perception
Visual Stimuli
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Summary:We measured infants’ recognition of familiar and unfamiliar 3‐D objects and their 2‐D representations using event‐related potentials (ERPs). Infants differentiated familiar from unfamiliar objects when viewing them in both two and three dimensions. However, differentiation between the familiar and novel objects occurred more quickly when infants viewed the object in 3‐D than when they viewed 2‐D representations. The results are discussed with respect to infants’ recognition abilities and their understanding of real objects and representations. This is the first study using 3‐D objects in conjunction with ERPs in infants, and it introduces an interesting new methodology for assessing infants’ electrophysiological responses to real objects.
ISSN:1363-755X
1467-7687
DOI:10.1111/j.1467-7687.2005.00463.x