Document Detail

Independent processing of changes in auditory single features and feature conjunctions in humans as indexed by the mismatch negativity.
MedLine Citation:
PMID:  10353339     Owner:  NLM     Status:  MEDLINE    
The mismatch negativity (MMN), an event-related potential component of the EEG, is elicited by violations of auditory regularities In the present study, the stimulus blocks contained two types of standard tones, differing from each other in frequency and intensity. MMNs were recorded to three different types of deviant stimuli: (a) feature deviants, differing from standards in their perceived locus of origin; (b) conjunction deviants, having the frequency of one of the standards and the intensity of the other; (c) double deviants, differing from standards in both (a) and (b). The MMN to double deviants was similar to the sum of the MMNs to feature and conjunction deviants. This result indicates that changes in simple stimulus features and conjunction of features are processed independently by the automatic sound change detection system indexed by MMN.
R Takegata; P Paavilainen; R Näätänen; I Winkler
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neuroscience letters     Volume:  266     ISSN:  0304-3940     ISO Abbreviation:  Neurosci. Lett.     Publication Date:  1999 May 
Date Detail:
Created Date:  1999-08-03     Completed Date:  1999-08-03     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7600130     Medline TA:  Neurosci Lett     Country:  IRELAND    
Other Details:
Languages:  eng     Pagination:  109-12     Citation Subset:  IM    
Department of Psychology, University of Helsinki, Finland.
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MeSH Terms
Evoked Potentials, Auditory / physiology*
Mental Processes / physiology*
Reaction Time / physiology

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