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The investigateion of the mechanism of the Fraser-Wilcox illusion

Research Project

Project/Area Number 26780416
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Experimental psychology
Research InstitutionOsaka University

Principal Investigator

Matsushita Soyogu  大阪大学, 人間科学研究科, 助教 (00528367)

Research Collaborator KITAOKA Akiyoshi  立命館大学, 文学部, 教授 (70234234)
MORIKAWA Kazunori  大阪大学, 人間科学研究科, 教授 (70312436)
FUJIMICHI Munendo  大阪大学, 人間科学部, 学生
Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywords錯視 / 運動知覚 / 眼球運動 / 残像
Outline of Final Research Achievements

This study investigated the mechanism of the Fraser-Wilcox illusion in which stationary gradation patches appear to move, and revealed that (a) the actual motion of retinal images caused by eye movements was not necessary to this illusion, (b) the eye movements of certain direction might inhibit the motion signal of this illusion, (c) in some cases, the perceived direction of the illusory motion varied with the visual eccentricity.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (7 results)

All 2016 2015 2014

All Journal Article (1 results) (of which Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (6 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] フレーザー・ウィルコックス錯視の近年の研究動向2015

    • Author(s)
      松下戦具
    • Journal Title

      大阪大学大学院人間科学研究科紀要

      Volume: 41 Pages: 213-228

    • NAID

      120005818399

    • Related Report
      2015 Annual Research Report
    • Open Access / Acknowledgement Compliant
  • [Presentation] Effect of eccentricity on the direction of gradation-induced illusory motion2016

    • Author(s)
      Soyogu Matsushita
    • Organizer
      The 39th European Conference on Visual Perce
    • Place of Presentation
      Barcelona (Spain)
    • Year and Date
      2016-08-28
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The role of blur in the motion illusion induced by the luminanc e gradient in stationary images2016

    • Author(s)
      Soyogu Matsushita, Akiyoshi Kitaoka
    • Organizer
      International Congress of Psychology 2016
    • Place of Presentation
      Yokohama (Japan)
    • Year and Date
      2016-07-24
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] サッカードによる錯視運動の抑制に色やグラデーションは必須か2016

    • Author(s)
      藤道宗人・松下戦具・森川和則
    • Organizer
      日本認知心理学会 第14回大会
    • Place of Presentation
      広島大学(広島)
    • Year and Date
      2016-06-18
    • Related Report
      2015 Annual Research Report
  • [Presentation] Illusory motion in an afterimage formed by gradation patches and the stimulus luminance as the determinant of the motion direction2015

    • Author(s)
      Soyogu Matsushita
    • Organizer
      The 38th European Conference on Visual Perce
    • Place of Presentation
      Liverpool (UK)
    • Year and Date
      2015-08-26
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 輝度の勾配を持つ静止画の残像が動いて見える錯視―継時対比の検討―2015

    • Author(s)
      松下戦具
    • Organizer
      日本視覚学会2015年冬季大会
    • Place of Presentation
      工学院大学
    • Year and Date
      2015-01-21 – 2015-01-23
    • Related Report
      2014 Research-status Report
  • [Presentation] Your eyes want to see the illusion: Directional asymmetry of eye movements increases illusorry motion2014

    • Author(s)
      Matsushita, S., Muramatsu, S., & Kitaoka, A.
    • Organizer
      The Asia-Pacific Conference on Vision (APCV) 2014
    • Place of Presentation
      Kagawa International Conference Hall
    • Year and Date
      2014-07-19 – 2014-07-22
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2017-05-10  

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