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Updated: Dec 23, 2025

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Representing Numerosity Through Vibration Patterns.

Myrthe A Plaisier, Raymond J Holt, Astrid M L Kappers

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    This summary is machine-generated.

    Haptic feedback using vibration pulses can convey numerical information. Temporal grouping of these pulses improves accuracy, but only if users anticipate the grouping pattern.

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    Area of Science:

    • Human-Computer Interaction
    • Haptic Perception
    • Sensory Substitution

    Background:

    • Haptic displays can convey information when visual or auditory channels are unavailable.
    • Numerosity perception, across sensory modalities, is known to be influenced by grouping principles.

    Purpose of the Study:

    • To investigate the efficacy of temporally grouped vibration pulses for conveying numerosity.
    • To determine if prior knowledge of grouping enhances haptic numerosity perception.

    Main Methods:

    • Participants perceived sequences of vibration pulses.
    • Temporal grouping patterns (grouped vs. ungrouped) were manipulated.
    • Performance was assessed based on accuracy and error rates under different grouping conditions.

    Main Results:

    • Temporal grouping significantly reduced errors and error rates in numerosity perception.
    • This facilitation effect was observed only when participants were informed about the upcoming grouping pattern.
    • No performance difference was found when grouped and ungrouped sequences were randomly interleaved.

    Conclusions:

    • Temporal grouping of vibration pulses can enhance haptic numerosity perception.
    • Anticipation of the grouping structure is crucial for this enhancement.
    • Informed temporal grouping allows for faster haptic display rates with maintained accuracy.