Document Detail

Covert face recognition in prosopagnosia: a dissociable function?
MedLine Citation:
PMID:  8536479     Owner:  NLM     Status:  MEDLINE    
Covert face recognition was investigated in a patient with prosopagnosia without object agnosia. This patient performed well in various face processing tasks like expression analysis and feature processing and had relatively preserved semantic knowledge about persons, but was slightly impaired in the visual matching of unfamiliar faces. In face-name paired-associate relearning task, covert face recognition was demonstrated to be above-chance. However, as this task cannot be meaningfully applied to control subjects, results do not necessarily indicate that the degree of covert face recognition is normal. In fact, in contrast to control subjects, the patient showed significantly reduced associative priming of names by face primes as compared to name primes, suggesting a quantitative reduction of covert face recognition. It is argued that these results support the view that overt and covert face recognition are brought about by the same functional system (Farah, O'Reilly and Vecera, 1993).
S R Schweinberger; T Klos; W Sommer
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Cortex; a journal devoted to the study of the nervous system and behavior     Volume:  31     ISSN:  0010-9452     ISO Abbreviation:  Cortex     Publication Date:  1995 Sep 
Date Detail:
Created Date:  1996-02-06     Completed Date:  1996-02-06     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0100725     Medline TA:  Cortex     Country:  ITALY    
Other Details:
Languages:  eng     Pagination:  517-29     Citation Subset:  IM    
University of Konstanz, Germany.
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MeSH Terms
Agnosia / diagnosis,  physiopathology*,  psychology
Attention / physiology*
Cerebral Cortex / physiopathology
Cerebrovascular Disorders / diagnosis,  physiopathology,  psychology
Discrimination Learning / physiology
Mental Recall / physiology*
Neuropsychological Tests
Paired-Associate Learning / physiology
Pattern Recognition, Visual / physiology*
Tomography, X-Ray Computed

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