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Related Experiment Videos

Auditory streaming is cumulative.

A S Bregman

    Journal of Experimental Psychology. Human Perception and Performance
    |August 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    The auditory system initially perceives sounds as one stream, but can split them into multiple streams over time. Silence or noise gradually resets this stream segregation bias.

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    Area of Science:

    • Auditory perception
    • Auditory stream segregation

    Background:

    • The auditory system has a bias towards perceiving auditory input as a single stream.
    • This initial bias can be overcome, leading to the segregation of auditory input into multiple streams.

    Purpose of the Study:

    • To investigate the temporal dynamics of auditory stream segregation.
    • To understand how evidence accumulation influences the splitting of auditory input into substreams.

    Main Methods:

    • Experiments involving young adult listeners speeding up sequences of tones.
    • Varying the number of tones between separators (silence or white noise).
    • Modifying the duration of separators to observe effects on stream segregation.

    Main Results:

    Related Experiment Videos

    • Auditory input initially perceived as a single stream can gradually split into substreams over seconds.
    • Extended periods of silence or unpatterned noise reduce the bias for maintaining segregated streams.
    • The number of tones and separator lengths influenced the point at which stream segregation occurred.

    Conclusions:

    • Auditory stream segregation is a dynamic process influenced by temporal accumulation of acoustic evidence.
    • The auditory system's bias for single-stream perception can be reset by prolonged periods of unpatterned auditory input.