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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Opposing effects of attention and consciousness on afterimages
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Opposing effects of attention and consciousness on afterimages

机译:注意力和意识对残像的影响

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The brain's ability to handle sensory information is influenced by both selective attention and consciousness. There is no consensus on the exact relationship between these two processes and whether they are distinct. So far, no experiment has simultaneously manipulated both. We carried out a full factorial 2×2 study of the simultaneous influences of attention and consciousness (as assayed by visibility) on perception, correcting for possible concurrent changes in attention and consciousness. We investigated the duration of afterimages for all four combinations of high versus low attention and visible versus invisible. We show that selective attention and visual consciousness have opposite effects: paying attention to the grating decreases the duration of its afterimage, whereas consciously seeing the grating increases the afterimage duration. These findings provide clear evidence for distinctive influences of selective attention and consciousness on visual perception.
机译:大脑处理感觉信息的能力受选择性注意和意识的影响。关于这两个过程之间的确切关系以及它们是否不同尚无共识。到目前为止,还没有实验可以同时进行这两种操作。我们对注意力和意识的同时影响(通过可见性进行分析)进行了2×2的全因式研究,以纠正注意力和意识可能同时发生的变化。我们调查了高注意力与低注意力以及可见与不可见的所有四种组合的残像持续时间。我们表明选择性注意和视觉意识具有相反的效果:注意光栅会减少其残像的持续时间,而有意识地看到光栅会增加残像的持续时间。这些发现为选择性注意和意识对视觉知觉的独特影响提供了明确的证据。

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