| Specialization of neural mechanisms underlying face recognition in human infants. | |
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MedLine Citation:
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PMID: 11970786 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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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. |
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Authors:
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Michelle de Haan; Olivier Pascalis; Mark H Johnson |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of cognitive neuroscience Volume: 14 ISSN: 0898-929X ISO Abbreviation: J Cogn Neurosci Publication Date: 2002 Feb |
Date Detail:
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Created Date: 2002-04-23 Completed Date: 2002-05-22 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8910747 Medline TA: J Cogn Neurosci Country: United States |
Other Details:
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Languages: eng Pagination: 199-209 Citation Subset: IM |
Affiliation:
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University College London, UK. m.de-haan@ich.ucl.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Age Factors Evoked Potentials, Visual / physiology Face Female Humans Infant Male Pattern Recognition, Visual / physiology* Photic Stimulation Reaction Time / physiology |
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