Does attention speed up processing? Decreases and increases of processing rates in visual prior entry.

Does attention speed up processing? Decreases and increases of processing rates in visual prior entry.
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注意力会加速处理速度吗?

DOI:
10.1167/15.3.1
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发表时间:
2015
期刊:
影响因子:
1.8
通讯作者:
Scharlau
Scharlau
中科院分区:
医学4区
文献类型:
--
作者:
Tünnerman;Petersen;Scharlau

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选择性视觉注意力可以提高许多任务的表现。除其他外,它会导致“事先进入”-较早的感知相比,一个无人值守的刺激。这种现象是否纯粹是基于增加的处理速度的关注刺激或如果在处理速度的减少,无人看管的刺激也有助于效果,到目前为止,没有答案。在这里,我们描述了一种新的方法来解决这个问题的基础上Bundesen的视觉注意力理论,我们用它来克服的局限性,较早的事先进入评估的时间顺序判断(TOJs),只允许相对陈述的处理速度出席和无人值守的刺激。TOJs中优先进入的流行模型要么间接预测纯加速,要么无法模拟加速和减速之间的差异。在一个范例,结合了字母识别任务与TOJs,我们表明,确实加速的出席和减速的无人值守的刺激联合导致先前的条目。
Selective visual attention improves performance in many tasks. Among others, it leads to “prior entry”—earlier perception of an attended compared to an unattended stimulus. Whether this phenomenon is purely based on an increase of the processing rate of the attended stimulus or if a decrease in the processing rate of the unattended stimulus also contributes to the effect is, up to now, unanswered. Here we describe a novel approach to this question based on Bundesen's Theory of Visual Attention, which we use to overcome the limitations of earlier prior-entry assessment with temporal order judgments (TOJs) that only allow relative statements regarding the processing speed of attended and unattended stimuli. Prevalent models of prior entry in TOJs either indirectly predict a pure acceleration or cannot model the difference between acceleration and deceleration. In a paradigm that combines a letter-identification task with TOJs, we show that indeed acceleration of the attended and deceleration of the unattended stimuli conjointly cause prior entry.
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