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

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

Research output: Contribution to journalArticle

13 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)149-161
Number of pages13
JournalLearning and Perception
Publication statusPublished - Jun 2013


  • Amplitude modulation
  • Auditory streaming
  • Perceptual bi-stability

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology

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