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Related Experiment Video

Updated: Jul 11, 2025

A Two-interval Forced-choice Task for Multisensory Comparisons

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

Does cross-modal correspondence modulate modality-specific perceptual processing? Study using timing judgment tasks.

Kyuto Uno^1,2,3, Kazuhiko Yokosawa^4,5

¹Department of Psychology, Graduate School of Humanities and Sociology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan. kunopsy@gmail.com.

Attention, Perception & Psychophysics

|November 6, 2023

Summary

This summary is machine-generated.

Cross-modal correspondences do not alter visual perceptual timing. Audiovisual congruency effects in temporal order judgment tasks likely stem from response bias, not changes in visual processing.

Keywords:

Cross-modal correspondence Simultaneity judgment Temporal order judgment Timing perception

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Area of Science:

Cognitive Psychology
Neuroscience
Psychophysics

Background:

Cross-modal correspondences link features across senses, influencing reaction times.
Previous research suggests these correspondences modulate sensory processing, but the mechanism remains unclear.

Purpose of the Study:

To investigate if audiovisual correspondences affect visual perceptual timing.
To differentiate between changes in perceptual processing and response bias.

Main Methods:

Two psychophysical tasks: temporal order judgment (TOJ) and simultaneous judgment (SJ).
Manipulation of audiovisual congruency between auditory pitch and visual stimuli (location, size).
Measurement of points of subjective simultaneity (PSS) for visual stimuli.

Main Results:

Audiovisual correspondence shifted PSS in the TOJ task.
No effect of audiovisual correspondence on PSS in the SJ task.
Differences attributed to response bias in the TOJ task.

Conclusions:

Audiovisual correspondences do not modulate visual perceptual timing.
Congruency effects in prior studies may be driven by response bias, not altered modality-specific processing.