Establishing object correspondence across eye movements: Flexible use of spatiotemporal and surface feature information.

Establishing object correspondence across eye movements: Flexible use of spatiotemporal and surface feature information.
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建立跨眼球运动的物体对应关系:灵活使用时空和表面特征信息。

DOI:
10.1016/j.cognition.2008.07.004
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发表时间:
2008-10
期刊:
影响因子:
3.4
通讯作者:
Hollingworth, Andrew
Hollingworth, Andrew
中科院分区:
心理学2区
文献类型:
--
作者:
Richard, Ashleigh M.;Luck, Steven J.;Hollingworth, Andrew

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视觉输入经常被眼球运动、眨眼和遮挡所干扰。视觉系统必须能够在中断之前和之后的可见对象之间建立对应关系。目前的理论认为,对应关系仅建立在时空信息的基础上,没有表面特征的贡献。在五个实验中,我们测试了时空和表面特征信息在建立跨越扫视的对象对应关系中的相对贡献。参与者对两个物体中的一个产生扫视,并且在扫视期间物体被移动,使得眼睛落在它们之间,需要校正扫视来注视目标。为了将目光正确地注视到适当的对象,必须在所记忆的扫视目标和扫视后可见的目标之间建立对应关系。操纵靶位置和表面特征一致性。与现有的理论相反,表面特征和时空信息都有助于对象对应,并且两个信息源的相对权重由任务的需求决定。这些数据反对时空信息在对象对应中的特殊作用,而是表明视觉系统可以灵活地使用多个相关信息源。
Visual input is frequently disrupted by eye movements, blinks, and occlusion. The visual system must be able to establish correspondence between objects visible before and after a disruption. Current theories hold that correspondence is established solely on the basis of spatiotemporal information, with no contribution from surface features. In five Experiments, we tested the relative contributions of spatiotemporal and surface feature information in establishing object correspondence across saccades. Participants generated a saccade to one of two objects, and the objects were shifted during the saccade so that the eyes landed between them, requiring a corrective saccade to fixate the target. To correct gaze to the appropriate object, correspondence must be established between the remembered saccade target and the target visible after the saccade. Target position and surface feature consistency were manipulated. Contrary to existing theories, surface features and spatiotemporal information both contributed to object correspondence, and the relative weighting of the two sources of information was governed by the demands of the task. These data argue against a special role for spatiotemporal information in object correspondence, indicating instead that the visual system can flexibly use multiple sources of relevant information.
DOI: 10.3758/bf03206794
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