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Related Experiment Video

Updated: Feb 15, 2026

The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm
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Sounds Modulate the Perceived Duration of Visual Stimuli via Crossmodal Integration.

Riku Asaoka, Jiro Gyoba

    Multisensory Research
    |February 1, 2018
    PubMed
    Summary
    This summary is machine-generated.

    Auditory stimuli presented separately from visual targets can alter perceived visual duration. This crossmodal effect depends on timing, suggesting auditory-visual integration influences time perception.

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    Area of Science:

    • Psychology
    • Neuroscience
    • Cognitive Science

    Background:

    • Simultaneous auditory stimuli can distort perceived visual duration.
    • The influence of non-simultaneous auditory stimuli on visual duration perception is less understood.

    Purpose of the Study:

    • To investigate how sounds presented before or after visual stimuli affect perceived visual duration.
    • To explore the role of auditory-visual integration and perceptual grouping in crossmodal time perception.

    Main Methods:

    • Participants classified perceived visual stimulus durations into four categories.
    • Auditory stimuli (single tone or three tones) were presented before and after visual targets.
    • Inter-stimulus intervals between auditory and visual stimuli were varied.

    Main Results:

    • A single sound presented before and after a visual target altered perceived duration based on inter-stimulus interval.
    • Multiple tones presented before and after the visual target did not significantly alter perceived duration.
    • Findings suggest auditory perceptual grouping can inhibit crossmodal effects.

    Conclusions:

    • Auditory-visual integration, not just arousal, influences perceived visual duration.
    • Inter- and intramodal perceptual grouping are crucial for crossmodal time perception.
    • Results are discussed within the framework of Scalar Expectancy Theory.