Authors:
Susan L. Denham University of Plymouth Cognition Institute and School of Psychology Drake Circus Plymouth PL4 8AA UK

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Kinga Gyimesi

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Gábor Stefanics

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István Winkler

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The auditory two-tone streaming paradigm has been used extensively to study the mechanisms that underlie the decomposition of the auditory input into coherent sound sequences. Using longer tone sequences than usual in the literature, we show that listeners hold their first percept of the sound sequence for a relatively long period, after which perception switches between two or more alternative sound organizations, each held on average for a much shorter duration. The first percept also differs from subsequent ones in that stimulus parameters influence its quality and duration to a far greater degree than the subsequent ones. We propose an account of auditory streaming in terms of rivalry between competing temporal associations based on two sets of processes. The formation of associations (discovery of alternative interpretations) mainly affects the first percept by determining which sound group is discovered first and how long it takes for alternative groups to be established. In contrast, subsequent percepts arise from stochastic switching between the alternatives, the dynamics of which are determined by competitive interactions between the set of coexisting interpretations.

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Learning & Perception
Language English
Size  
Year of
Foundation
2009
Publication
Programme
ceased
Volumes
per Year
 
Issues
per Year
 
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1789-3186 (Print)
ISSN 2060-9175 (Online)

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