Document Detail


Consonant chords stimulate higher EEG gamma activity than dissonant chords.
MedLine Citation:
PMID:  21073923     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
We examined the perceptions of consonant and dissonant chords to test auditory coherent percepts that are related to gamma oscillation. Consonant chords have coherent auditory properties due to the physical relationships of their components, in contrast to dissonant chords. EEGs were measured on 18 subjects with no musical expertise while they listened to consonant chords, dissonant chords, and single-note sounds and counted the number of single tones they heard. Induced gamma band activity was observed over the right brain hemisphere 170ms after the onset of stimuli. The induced gamma activity was significantly increased while listening to consonant chords as compared to dissonant chords. Our results suggest that the neural activity of the gamma frequency bands may reflect an auditory coherent percept generated from physical relationships of sounds.
Authors:
Jin Young Park; Haeil Park; Joong-Il Kim; Hae-Jeong Park
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-11-10
Journal Detail:
Title:  Neuroscience letters     Volume:  488     ISSN:  1872-7972     ISO Abbreviation:  Neurosci. Lett.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7600130     Medline TA:  Neurosci Lett     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  101-5     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Department of Psychiatry and Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
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