Synaesthetic colours do not camouflage form in visual search.

Synaesthetic colours do not camouflage form in visual search.
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在视觉搜索中,连续性色彩不会伪装。

DOI:
10.1098/rspb.2007.1457
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发表时间:
2008-04-07
影响因子:
4.7
通讯作者:
Morgan, M. J.
Morgan, M. J.
中科院分区:
生物学1区
文献类型:
--
作者:
Gheri, C.;Chopping, S.;Morgan, M. J.

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联觉研究的主要问题之一是确定联觉者所经历的主观颜色形成所涉及的处理水平:它们是感知现象还是归因于记忆和联想学习?为了解决这个问题,我们测试了一组字素颜色联觉者(之前在功能磁共振成像实验中研究过)报告的颜色是否会影响他们在视觉搜索任务中的表现。除了使用联觉颜色应该有助于视觉搜索的条件外,我们还引入了一个条件,即预计联觉者体验到的颜色会使他们比对照组更糟糕。我们没有发现任何证据表明联觉者和正常对照者之间存在差异,无论是在颜色应该对他们有帮助的地方还是在颜色应该有阻碍的地方。我们得出的结论是,我们的联觉群体报告的颜色并不等同于感知信号,而是出现在认知水平上,它们无法影响视觉搜索。
One of the major issues in synaesthesia research is to identify the level of processing involved in the formation of the subjective colours experienced by synaesthetes: are they perceptual phenomena or are they due to memory and association learning? To address this question, we tested whether the colours reported by a group of grapheme-colour synaesthetes (previously studied in an functional magnetic resonance imaging experiment) influenced them in a visual search task. As well as using a condition where synaesthetic colours should have aided visual search, we introduced a condition where the colours experienced by synaesthetes would be expected to make them worse than controls. We found no evidence for differences between synaesthetes and normal controls, either when colours should have helped them or where they should have hindered. We conclude that the colours reported by our population of synaesthetes are not equivalent to perceptual signals, but arise at a cognitive level where they are unable to affect visual search.
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发表时间: 1980-01-01
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