Document Detail

The neuropsychology of facial identity and facial expression in children with mental retardation.
MedLine Citation:
PMID:  15590235     Owner:  NLM     Status:  MEDLINE    
We indirectly determined how children with mental retardation analyze facial identity and facial expression, and if these analyses of identity and expression were controlled by independent cognitive processes. In a reaction time study, 20 children with mild mental retardation were required to determine if simultaneously presented photographs of pairs of faces were pictures of the same person or of different people (identity matching), or to determine if the pairs of faces showed the same expressions or different expressions (expression matching). Faces of familiar and unfamiliar people were used as stimuli. For identity matching, reaction times were faster for familiar faces than for unfamiliar faces. For expression matching, there was no difference between familiar and unfamiliar faces. These results are consistent with neuropsychological findings from the general population indicating that analyses of facial expressions proceed independently from processes involved in establishing a person's identity. Our results suggest that the basic neuropsychological mechanisms that underlie cognitive processing of facial identity and facial expressions in children with mental retardation may be similar to those of people in the general population.
Nirbhay N Singh; Donald P Oswald; Giulio E Lancioni; Cynthia R Ellis; Monica Sage; Jennifer R Ferris
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Research in developmental disabilities     Volume:  26     ISSN:  0891-4222     ISO Abbreviation:  Res Dev Disabil     Publication Date:    2005 Jan-Feb
Date Detail:
Created Date:  2004-12-13     Completed Date:  2005-04-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8709782     Medline TA:  Res Dev Disabil     Country:  United States    
Other Details:
Languages:  eng     Pagination:  33-40     Citation Subset:  IM    
ONE Research Institute, P.O. Box 5419, Midlothian, VA 23112, USA.
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MeSH Terms
Facial Expression*
Mental Retardation / psychology*
Recognition (Psychology)*
Self Psychology
Severity of Illness Index

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