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Hearing visual motion in depth

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  • Norimichi Kitagawa

    (Tokyo Metropolitan University)

  • Shigeru Ichihara

    (Tokyo Metropolitan University)

Abstract

Auditory spatial perception is strongly affected by visual cues. For example, if auditory and visual stimuli are presented synchronously but from different positions, the auditory event is mislocated towards the locus of the visual stimulus—the ventriloquism effect1,2. This ‘visual capture’ also occurs in motion perception in which a static auditory stimulus appears to move with the visual moving object3,4. We investigated how the human perceptual system coordinates complementary inputs from auditory and visual senses. Here we show that an auditory aftereffect occurs from adaptation to visual motion in depth. After a few minutes of viewing a square moving in depth, a steady sound was perceived as changing loudness in the opposite direction. Adaptation to a combination of auditory and visual stimuli changing in a compatible direction increased the aftereffect and the effect of visual adaptation almost disappeared when the directions were opposite. On the other hand, listening to a sound changing in intensity did not affect the visual changing-size aftereffect. The results provide psychophysical evidence that, for processing of motion in depth, the auditory system responds to both auditory changing intensity and visual motion in depth.

Suggested Citation

  • Norimichi Kitagawa & Shigeru Ichihara, 2002. "Hearing visual motion in depth," Nature, Nature, vol. 416(6877), pages 172-174, March.
    • Handle: RePEc:nat:nature:v:416:y:2002:i:6877:d:10.1038_416172a
    DOI: 10.1038/416172a
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    Cited by:

    1. Satoshi Nakakoga & Hiroshi Higashi & Junya Muramatsu & Shigeki Nakauchi & Tetsuto Minami, 2020. "Asymmetrical characteristics of emotional responses to pictures and sounds: Evidence from pupillometry," PLOS ONE, Public Library of Science, vol. 15(4), pages 1-16, April.
    2. Hiroyuki Umemura, 2014. "Effects of Haptic Information on the Perception of Dynamic 3-D Movement," PLOS ONE, Public Library of Science, vol. 9(9), pages 1-8, September.
    3. Souta Hidaka & Yuko Manaka & Wataru Teramoto & Yoichi Sugita & Ryota Miyauchi & Jiro Gyoba & Yôiti Suzuki & Yukio Iwaya, 2009. "Alternation of Sound Location Induces Visual Motion Perception of a Static Object," PLOS ONE, Public Library of Science, vol. 4(12), pages 1-6, December.

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