Invisible motion contributes to simultaneous motion contrast

Takahiro Kawabe, Yuki Yamada

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

The purpose of the present study was two-fold. First we examined whether visible motion appearance was altered by the spatial interaction between invisible and visible motion. We addressed this issue by means of simultaneous motion contrast, in which a horizontal test grating with a counterphase luminance modulation was seen to have the opposite motion direction to a peripheral inducer grating with unidirectional upward or downward motion. Using a mirror stereoscope, observers viewed the inducer and test gratings with one eye, and continuous flashes of colorful squares forming an annulus shape with the other eye. The continuous flashes rendered the inducer subjectively invisible. The observers' task was to report whether the test grating moved upward or downward. Consequently, simultaneous motion contrast was observed even when the inducer was invisible (Experiment 1). Second, we examined whether the observers could correctly respond to the direction of invisible motion: It was impossible (Experiment 2).

本文言語英語
ページ(範囲)168-175
ページ数8
ジャーナルConsciousness and Cognition
18
1
DOI
出版ステータス出版済み - 3 1 2009

All Science Journal Classification (ASJC) codes

  • 実験心理学および認知心理学

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