Orientation processing underlies pattern randomness perception(Summary of Awarded Presentation at the 31st Annual Meeting)

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概要

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• Humans can easily discriminate between randomly spaced and regularly spaced visual patterns. Herein we demonstrate that observers can adapt to the randomness of two-dimensional visual patterns. Pattern adaptations with varying levels of physical randomness caused an aftereffect in which the perceived randomness decreased (increased) following an adaptation to a pattern with high (low) physical randomness (Experiment 1). Adaptations to 22.5°-rotated patterns did not cause an aftereffect in the non-rotated test patterns (Experiment 2). Additionally, contrast polarity did not affect an aftereffect (Experiment 3). These results indicate that the perception of visual pattern randomness is governed by second-order orientation processing, which is insensitive to luminance contrast.

• 2013-09-30

著者

• YAMADA Yuki

  Yamaguchi University

• KAWABE Takahiro

  NTT Communication Science Laboratories

• MIYAZAKI Makoto

  Yamaguchi University

関連論文

• Orientation processing underlies pattern randomness perception(Summary of Awarded Presentation at the 31st Annual Meeting)

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