Motion parallel to line orientation: Disambiguation of motion percepts

被引:15
作者
Francis, G [1 ]
Kim, H [1 ]
机构
[1] Purdue Univ, Dept Psychol Sci, W Lafayette, IN 47907 USA
关键词
D O I
10.1068/p2980
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Four experiments demonstrate that lines indicating path of movement can generate rotational percepts in a multistable motion display that usually produces only horizontal or vertical motion percepts. The properties of the path-of-movement lines are predicted by a neural-network theory of visual perception. Experimental results validate the theory's predictions by demonstrating that movement of the display elements seems to follow an increasing luminance gradient in lines but not bars, and that illusory contours have similar effects. Experimental results also demonstrate that, in a choice between movement along lines drawn parallel or orthogonal to possible motion paths, observers more often see movement along the lines parallel to the motion path. These results suggest modifications to current computational and neurophysiological theories of motion perception.
引用
收藏
页码:1243 / 1255
页数:13
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