Document Detail

Schizotypal traits and N400 in healthy subjects.
MedLine Citation:
PMID:  20456656     Owner:  NLM     Status:  In-Process    
We examined whether correlations previously found between symptoms of schizophrenia patients and the amplitude of an event-related potential (ERP), the N400, could be also found between schizotypal experiences of healthy subjects and the N400. We chose a semantic categorization task previously used with patients. Schizotypal experiences were measured with the schizotypal personality questionnaire (SPQ). The effects of the other factors were controlled for when assessing the correlations between each SPQ factor and N400s. These correlations were assessed at each electrode site to see whether their distribution on the scalp follows that of the N400 effect. Disorganization and interpersonal scores were found to correlate with ERPs in the N400 time window, as previously reported for the comparable symptoms of patients. However, the scalp distribution of these correlations differed from that of the N400 effect.
Marie Prévost; Mitchell Rodier; Louis Renoult; Yvonne Kwann; Emmanuelle Dionne-Dostie; Isabelle Chapleau; Mathieu Brodeur; Claire Lionnet; J Bruno Debruille
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Psychophysiology     Volume:  47     ISSN:  1540-5958     ISO Abbreviation:  Psychophysiology     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0142657     Medline TA:  Psychophysiology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1047-56     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Society for Psychophysiological Research.
Douglas Mental Health University Institute, Montréal, Québec, Canada.
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