Ma-Wyatt Anna, Clifford Colin W G, Wenderoth Peter
School of Psychology, University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia.
Perception. 2005;34(6):669-85. doi: 10.1068/p3444.
We investigated whether the same principles that influence grouping in static displays also influence grouping in apparent motion. Using the Ternus display, we found that the proportion of group motion reports was influenced by changes in contrast configuration. Subjects made judgments of completion of these same configurations in a static display. Generally, contrast configurations that induced a high proportion of group motion responses were judged as more 'complete' in static displays. Using a stereo display, we then tested whether stereo information and T-junction information were critical for this increase in group motion. Perceived grouping was consistently higher for same contrast polarity configurations than for opposite contrast polarity configurations, regardless of the presence of stereo information or explicit T-junctions. Thus, while grouping in static and moving displays showed a similar dependence on contrast configuration, motion grouping showed little dependence on stereo or T-junction information.
我们研究了影响静态显示中分组的相同原理是否也影响表观运动中的分组。使用特尔努斯显示，我们发现分组运动报告的比例受对比度配置变化的影响。受试者在静态显示中对这些相同配置的完整性进行判断。一般来说，在静态显示中，诱导出高比例分组运动反应的对比度配置被判断为更“完整”。然后，我们使用立体显示来测试立体信息和T形交叉信息对于这种分组运动的增加是否至关重要。无论是否存在立体信息或明确的T形交叉，相同对比度极性配置的感知分组始终高于相反对比度极性配置。因此，虽然静态和动态显示中的分组对对比度配置表现出相似的依赖性，但运动分组对立体或T形交叉信息的依赖性很小。
