Modulation-frequency acts as a primary cue for auditory stream segregation

Orsolya Szalárdy; Alexandra Bendixen; Dénes Tóth; Susan L. Denham; István Winkler

doi:10.1556/lp.5.2013.suppl2.9

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Learning & Perception

Volume/Issue:: Volume 5: Issue Supplement-2

Modulation-frequency acts as a primary cue for auditory stream segregation

Authors:

Orsolya Szalárdy

Orsolya Szalárdy

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Alexandra Bendixen

Alexandra Bendixen

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Dénes Tóth

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

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

István Winkler

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Pages:: 149–161

Online Publication Date:: 19 Jun 2013

Publication Date:: 01 Jun 2013

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/lp.5.2013.suppl2.9

Keywords:: auditory streaming; perceptual bi-stability; amplitude modulation

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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

Print ISSN:: 1789-3186

Online ISSN:: 2060-9175

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)