Beyond perceptual modality: Auditory effects on visual perception

  • Shimojo Shinsuke
    Division of Biology, California Institute of Technology, MC 139-74, Pasadena, CA 91125 USA Human and Information Science Laboratory, NTT Communication Science Laboratories, Atsugi, 243-0198 Japan
  • Scheier Christian
    Division of Biology, California Institute of Technology, MC 139-74, Pasadena, CA 91125 USA
  • Nijhawan Romi
    Division of Biology, California Institute of Technology, MC 139-74, Pasadena, CA 91125 USA Department of Cognitive and Computing Sciences, University of Sussex-Brighton, Falmer, Brighton, East Sussex BN1 9QH UK
  • Shams Ladan
    Division of Biology, California Institute of Technology, MC 139-74, Pasadena, CA 91125 USA
  • Kamitani Yukiyasu
    Computation and Neural Systems, California Institute of Technology, MC 139-74, Pasadena, CA 91125 USA
  • Watanabe Katsumi
    Division of Biology, California Institute of Technology, MC 139-74, Pasadena, CA 91125 USA Computation and Neural Systems, California Institute of Technology, MC 139-74, Pasadena, CA 91125 USA

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説明

Three sets of new findings with regard to modulation of visual perception by auditory stimuli are reviewed. First, we show that visual temporal resolution can be either improved or deteriorated by accompanying sounds, depending on the sequence and delay among the auditory and visual stimuli. Second, a single visual flash can be perceived as multiple flashes when accompanied by multiple sounds. Third, an ambiguous motion display consisting of two objects moving toward each other is perceived as streaming with or without an unsynchronized sound, but as bouncing with a synchronized sound. Based on these findings, we argue, against the traditional belief of visual dominance, that audition can modify vision particularly when it provides strong transient signal(s).

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