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The influence of scene context on parafoveal processing of objects

机译:场景背景对物体剖面处理的影响

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Many studies in reading have shown the enhancing effect of context on the processing of a word before it is directly fixated (parafoveal processing of words). Here, we examined whether scene context influences the parafoveal processing of objects and enhances the extraction of object information. Using a modified boundary paradigm called the Dot-Boundary paradigm, participants fixated on a suddenly onsetting cue before the preview object would onset 4 degrees away. The preview object could be identical to the target, visually similar, visually dissimilar or a control (black rectangle). The preview changed to the target object once a saccade toward the object was made. Critically, the objects were presented on either a consistent or an inconsistent scene background. Results revealed that there was a greater processing benefit for consistent than inconsistent scene backgrounds and that identical and visually similar previews produced greater processing benefits than other previews. In the second experiment, we added an additional context condition in which the target location was inconsistent, but the scene semantics remained consistent. We found that changing the location of the target object disrupted the processing benefit derived from the consistent context. Most importantly, across both experiments, the effect of preview was not enhanced by scene context. Thus, preview information and scene context appear to independently boost the parafoveal processing of objects without any interaction from object-scene congruency.
机译:在阅读之前,阅读的许多研究表明,在直接固定之前,对语境的加工效果增加(词组的ParafoVeal处理)。在这里,我们检查了场景上下文是否影响物体的剖面性处理并增强对象信息的提取。使用调用DOT边界范式的修改边界范例,在预览对象之前将在突出的突出展开提示上固定的参与者将失败4度。预览对象可以与目标相同,视觉上类似,视觉上异常或控制(黑色矩形)。一旦制作了对象的扫视,预览将更改为目标对象。批判性地,对象呈现在一致或不一致的场景背景上。结果表明,对于始终如一的场景背景,始终存在更大的加工好处,并且相同且视觉上类似的预览产生比其他预览更大的处理效益。在第二个实验中,我们添加了一个额外的上下文条件,其中目标位置不一致,但场景语义保持一致。我们发现更改目标对象的位置中断从一致上下文中断的处理福利。最重要的是,在两个实验中,场景背景下预览的效果不会增强。因此,预览信息和场景上下文似乎可以独立地提高对象的剖面处理,而不会从对象场景同时进行任何交互。

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