The role of perceptual load in visual awareness
The role of perceptual load in visual awareness
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DOI：
10.1016/j.brainres.2005.10.023
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发表时间：
2006-03-29
期刊：
影响因子：
2.9
通讯作者：
Lavie, M
中科院分区：
文献类型：
--
作者：
Lavie, M
意识依赖于注意力吗？这是理解注意力和意识之间关系的一个基本问题，然而之前的研究给出了好坏参半的结果。在这里，我描述了一项新的研究，该研究表明，注意对意识的影响取决于所参与任务中的知觉负荷水平。在疏忽失明和改变失明范式中的意识报告都被发现依赖于所参与的主要任务加载注意力的程度。神经成像结果显示额顶注意网络参与意识，经颅磁刺激实验证实了意识中额顶活动的因果作用。这些结果在注意负荷理论的框架内阐明了注意及其相关的额顶活动在视觉意识中的作用。(C)2005年，爱思唯尔出版。
Does awareness depend on attention? This is a fundamental issue for understanding the relationship of attention and awareness, yet previous research provided mixed results. Here, I describe new research that shows that the effects of attention on awareness depend on the level of perceptual load in the attended task. Awareness reports in both the inattentional blindness and change blindness paradigms were found to depend on the extent to which an attended primary task loads attention. Neuroimaging results revealed the involvement of frontoparietal attention network in awareness and transcranial magnetic stimulation experiments confirmed a causal role for frontoparietal activity in awareness. These results clarify the role of attention and associated frontoparietal activity in visual awareness within the framework of load theory of attention. (c) 2005 Published by Elsevier B.V.