Nishida S, Takeuchi T
Department of Psychology, Faculty of Letters, Kyoto University, Japan.
Vision Res. 1990;30(5):709-21. doi: 10.1016/0042-6989(90)90097-5.
When a single rectangle is replaced by two flanking ones, or vice versa, one sees split or fusion motion. The motion correspondence in these displays is supposed to reflect the affinity between elements. We examined the effects of the element luminance on the affinity. The results indicated that the affinity did not reflect the luminance similarity; it monotonically increased with increasing the luminance of either element of the matching pair. It was also found that the effects of luminance was symmetric in the time axis. These results were obtained for both long-range and short-range apparent motion. Our findings suggest that the affinity directly reflects the response of the simple motion detectors regardless of the displacement size.
当一个单一的矩形被两个侧翼矩形取代，或者反之亦然时，人们会看到分裂或融合运动。这些显示中的运动对应关系被认为反映了元素之间的亲和性。我们研究了元素亮度对亲和性的影响。结果表明，亲和性并不反映亮度相似性；它随着匹配对中任何一个元素亮度的增加而单调增加。还发现亮度效应在时间轴上是对称的。这些结果在长程和短程表观运动中均得到。我们的研究结果表明，无论位移大小如何，亲和性直接反映了简单运动探测器的响应。
