THE VISUALLY PERCEIVED VELOCITY AS A FUNCTION OF APERTURE SIZE, STRIPE SIZE, LUMINANCE, AND MOTION DIRECTION

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概要

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• The velocity perception was studied with linearly moving stripes shown through rectangular apertures. Velocity matches were made by 4 to 9 <I>S</I>s for two reference velocities, 30′/sec and 5°/sec. The perceived velocity decreased as either aperture size or stripe size increased. Brown's transposition principle did not hold completely when the aperture and stripe size increased proportionally. The results can be understood as simultaneous manifestations of the aperture and stripe effects. The effect of the luminance upon the perceived velocity was not clear, though the fusion threshold linearly increased as the log. luminance increased. The velocity was underestimated in horizontal motions as compared with vertical motions under high velocity.

• 公益社団法人 日本心理学会の論文

著者

• OYAMA TADASU

  Department of Psychology, Chiba University

関連論文

• THE VISUALLY PERCEIVED VELOCITY AS A FUNCTION OF APERTURE SIZE, STRIPE SIZE, LUMINANCE, AND MOTION DIRECTION

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