Document Detail

Effects of unit formation on the perception of a changing sound.
MedLine Citation:
PMID:  16627355     Owner:  NLM     Status:  MEDLINE    
The effects of subunit formation on adult listeners' ability to notice changes in a continuous spectral gradient of sound were studied. Results of this experiment support the idea that the auditory system processes information differently within a unit, and that this processing does not occur unless the perceptual system detects unit boundaries. In this experiment, silences were inserted into a continuously changing sound to cause the formation of short units. Listeners noticed the change earlier in conditions with silences inserted than in to conditions where the transition was either unbroken or broken by loud noise bursts. Results are discussed in terms of two processes, one that accentuates stimulus properties present at moments of onset and offset, and a second that uses onsets and offsets to signal the beginnings and ends of units and reduces the change perceived within units.
Poppy A C Crum; Albert S Bregman
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Quarterly journal of experimental psychology (2006)     Volume:  59     ISSN:  1747-0218     ISO Abbreviation:  Q J Exp Psychol (Hove)     Publication Date:  2006 Mar 
Date Detail:
Created Date:  2006-04-21     Completed Date:  2006-06-05     Revised Date:  2011-10-19    
Medline Journal Info:
Nlm Unique ID:  101259775     Medline TA:  Q J Exp Psychol (Hove)     Country:  England    
Other Details:
Languages:  eng     Pagination:  543-56     Citation Subset:  IM    
McGill University, Montréal, Canada.
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MeSH Terms
Auditory Perception*
Models, Psychological
Reaction Time*
Sound Localization*
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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