Document Detail

Specialization of neural mechanisms underlying face recognition in human infants.
MedLine Citation:
PMID:  11970786     Owner:  NLM     Status:  MEDLINE    
Newborn infants respond preferentially to simple face-like patterns, raising the possibility that the face-specific regions identified in the adult cortex are functioning from birth. We sought to evaluate this hypothesis by characterizing the specificity of infants' electrocortical responses to faces in two ways: (1) comparing responses to faces of humans with those to faces of nonhuman primates; and 2) comparing responses to upright and inverted faces. Adults' face-responsive N170 event-related potential (ERP) component showed specificity to upright human faces that was not observable at any point in the ERPs of infants. A putative "infant N170" did show sensitivity to the species of the face, but the orientation of the face did not influence processing until a later stage. These findings suggest a process of gradual specialization of cortical face processing systems during postnatal development.
Michelle de Haan; Olivier Pascalis; Mark H Johnson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of cognitive neuroscience     Volume:  14     ISSN:  0898-929X     ISO Abbreviation:  J Cogn Neurosci     Publication Date:  2002 Feb 
Date Detail:
Created Date:  2002-04-23     Completed Date:  2002-05-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8910747     Medline TA:  J Cogn Neurosci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  199-209     Citation Subset:  IM    
University College London, UK.
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MeSH Terms
Age Factors
Evoked Potentials, Visual / physiology
Pattern Recognition, Visual / physiology*
Photic Stimulation
Reaction Time / physiology

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