Sound-contingent visual motion aftereffect

Souta Hidaka*, Wataru Teramoto, Maori Kobayashi, Yoichi Sugita

*この研究の対応する著者

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Background: After a prolonged exposure to a paired presentation of different types of signals (e.g., color and motion), one of the signals (color) becomes a driver for the other signal (motion). This phenomenon, which is known as contingent motion aftereffect, indicates that the brain can establish new neural representations even in the adult's brain. However, contingent motion aftereffect has been reported only in visual or auditory domain. Here, we demonstrate that a visual motion aftereffect can be contingent on a specific sound.Results: Dynamic random dots moving in an alternating right or left direction were presented to the participants. Each direction of motion was accompanied by an auditory tone of a unique and specific frequency. After a 3-minutes exposure, the tones began to exert marked influence on the visual motion perception, and the percentage of dots required to trigger motion perception systematically changed depending on the tones. Furthermore, this effect lasted for at least 2 days.Conclusions: These results indicate that a new neural representation can be rapidly established between auditory and visual modalities.

本文言語English
論文番号44
ジャーナルBMC Neuroscience
12
DOI
出版ステータスPublished - 2011 5 15
外部発表はい

ASJC Scopus subject areas

  • 神経科学(全般)
  • 細胞および分子神経科学

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