Surround modulation of visual motion integration and segregation(Summary of Awarded Presentation at the 29th Annual Meeting)

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概要

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• The visual system integrates or segregates two motion components in the same visual field depending on direction difference. We examined how the surrounding motion modulates such integration or segregation. In the experiment, participants were presented with motion components in two nearby directions (e.g., ±45 deg from vertical). We found that participants reported two segregated motions more frequently when the direction of the surrounding motion was equivalent to the averaged direction of central motions. In contrast, participants reported one integrated motion when the direction of the surrounding motion was opposite that of the center. The present results suggest that motion integration and segregation was determined based on a representation of motion direction modulated by the surrounding motion.

• 2011-09-30

著者

• TAKEMURA Hiromasa

  The University of Tokyo

• MURAKAMI Ikuya

  The University of Tokyo

• Takemura Hiromasa

  The University Of Tokyo:jsps

関連論文

• Enhancement of horizontal motion detection sensitivity by vertical illusory motion component(Summary of Awarded Presentation at the 27th Annual Meeting)
• Contrast-dependent effects of smooth pursuit eye movement on the perceived direction of ambiguous retinal motion(Summary of Awarded Presentation at the 29th Annual Meeting)
• Effects of envelope motion and carrier motion in Gabor patch on perceived position(Summary of Awarded Presentation at the 29th Annual Meeting)
• Surround modulation of visual motion integration and segregation(Summary of Awarded Presentation at the 29th Annual Meeting)

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