Document Detail


Representation of abstract attributes of auditory stimuli in the human brain.
MedLine Citation:
PMID:  1493229     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Representations of abstract attributes of auditory stimuli in the human brain were demonstrated using the mismatch negativity (MMN), an event-related potential component elicited by a change in a repetitive sound. Stimuli were pairs of sinusoidal tones. There were two types of tone pairs in each block, standard (p = 85%) and deviant pairs (p = 15%), delivered in a random order. Standard and deviant tone pairs differed only in the direction of within-pair frequency change. In addition, the frequency levels of both the standard and deviant pairs varied randomly within a wide range in a block; thus the standard pairs shared the direction of the within-pair frequency change but not the absolute frequency level. Correspondingly, the deviant pairs only shared the opposite direction of the within-pair change. Nevertheless, the deviant tone pairs elicited MMN, implying that even the direction of the within-pair frequency change of the standard stimuli, and not just their absolute frequencies, developed a neural representation.
Authors:
J Saarinen; P Paavilainen; E Schöger; M Tervaniemi; R Näätänen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neuroreport     Volume:  3     ISSN:  0959-4965     ISO Abbreviation:  Neuroreport     Publication Date:  1992 Dec 
Date Detail:
Created Date:  1993-03-11     Completed Date:  1993-03-11     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9100935     Medline TA:  Neuroreport     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1149-51     Citation Subset:  IM    
Affiliation:
University of Helsinki, Department of Psychology, Finland.
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MeSH Terms
Descriptor/Qualifier:
Acoustic Stimulation*
Auditory Pathways / anatomy & histology,  cytology
Brain / physiology*
Electrodes
Electroencephalography
Evoked Potentials, Auditory
Humans

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