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    Area of Science:

    • Cognitive Psychology
    • Neuroscience
    • Sensory Perception

    Background:

    • Temporal ventriloquism describes the alteration in perceived timing of visual events due to concurrent auditory stimuli.
    • Crossmodal correspondence, the tendency for sensory features to align (e.g., high pitch with high visual location), influences multisensory integration.

    Purpose of the Study:

    • To investigate if the crossmodal correspondence between auditory pitch and visual elevation affects temporal ventriloquism.
    • To determine the role of congruency and saliency in pitch-elevation crossmodal mappings on temporal ventriloquism.

    Main Methods:

    • Participants judged the order of two visual stimuli presented at different elevations.
    • A task-irrelevant auditory click, varying in pitch (low/high), was presented around the visual stimuli.
    • Congruency between auditory pitch and visual elevation was manipulated across trials.

    Main Results:

    • Incongruent pairings of auditory pitch and visual elevation completely abolished the temporal ventriloquism effect.
    • The crossmodal correspondence effect diminished when pitch changes were fixed within sessions, reducing their saliency.

    Conclusions:

    • Crossmodal correspondences, beyond spatial and temporal factors, significantly influence multisensory information binding.
    • The impact of crossmodal correspondences on temporal ventriloquism is contingent on the saliency of the sensory mapping.