Evidence for two components of object-based selection
Evidence for two components of object-based selection
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DOI：
10.1111/1467-9280.00360
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发表时间：
2001-07-01
影响因子：
8.2
通讯作者：
Matsukura, M
中科院分区：
文献类型：
--
作者：
Awh, E;Dhaliwal, H;Matsukura, M
大量的研究表明，观察者可以将视觉处理偏向于特定的位置，但基于对象的选择的作用不太清楚。在支持基于对象的选择，以前的研究表明，当两个对象同时呈现时，观察者更好地报告来自其中一个对象的两个属性，而不是每个对象的一个属性。然而，对于这种效应是否可以用基于对象的选择或空间选择来解释一直存在争议。我们的工作表明，在这个任务中有两个独立的选择组件：（a）一个空间组件时观察到的相关目标提示的刺激显示开始之前的观察者和（B）基于对象的组件，仍然可以观察到的第一个组件时，已被删除。后一种效应复制了有利于基于对象的选择的初始证据，并且即使在目标刺激的偏移之后相关目标被提示时也可以被证明。
A wealth of research has shown that observers can bias visual processing toward specific locations, but the role of object-based selection is less clear. In support of object-based selection, previous research has shown that when two objects are presented simultaneously, observers are better at reporting two attributed from one of the objects than one attribute from each object. However, there has been controversy over whether this effect is best explained by object-based selection or spatial selection. Our work suggests that there are two separate components of selection in this task: (a) a spatial component that is observed when the relevant targets are cued for observers before the onset of the stimulus display and (b) an object-based component that can still be observed when the first component has been eliminated. The latter effect replicates the initial evidence in favor of object-based selection, and can be demonstrated even when the relevant targets are cued after the offset of the target stimuli.