Authors:
Orsolya Szalárdy

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Alexandra Bendixen

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Dénes Tóth Research Centre for Natural Sciences, Hungarian Academy of Sciences Institute of Psychology and Cognitive Neuroscience H-1394 Budapest P.O. Box 398 Hungary

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Susan L. Denham University of Plymouth Cognition Institute and Centre for Theoretical and Computational Neuroscience Drake Circus Plymouth PL4 8AA UK

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István Winkler

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In our surrounding acoustic world sounds are produced by different sources and interfere with each other before arriving to the ears. A key function of the auditory system is to provide consistent and robust descriptions of the coherent sound groupings and sequences (auditory objects), which likely correspond to the various sound sources in the environment. This function has been termed auditory stream segregation. In the current study we tested the effects of separation in the frequency of amplitude modulation on the segregation of concurrent sound sequences in the auditory stream–segregation paradigm (van Noorden 1975). The aim of the study was to assess 1) whether differential amplitude modulation would help in separating concurrent sound sequences and 2) whether this cue would interact with previously studied static cues (carrier frequency and location difference) in segregating concurrent streams of sound. We found that amplitude modulation difference is utilized as a primary cue for the stream segregation and it interacts with other primary cues such as frequency and location difference.

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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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