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When colours split from objects: The disconnection of colour perception from colour language and colour knowledge
Cognitive Neuropsychology ( IF 3.4 ) Pub Date : 2019-09-03 , DOI: 10.1080/02643294.2019.1642861
Katarzyna Siuda-Krzywicka 1 , Christoph Witzel 2 , Myriam Taga 3 , Marine Delanoe 1 , Laurent Cohen 1, 4 , Paolo Bartolomeo 1
Affiliation  

ABSTRACT We investigated object-colour knowledge in RDS, a patient with impaired colour naming after a left occipito-temporal stroke. RDS’s colour perception, object naming and verbal colour-knowledge (the ability to verbally say the typical colour of an object) were relatively spared. RDS was also able to state if an object was appropriately coloured or not. However, he could neither match colour names to coloured objects, nor match colour patches to grey-scale objects. Thus, RDS’s colour-naming deficit was associated with an impaired ability to conceptually relate visually presented object shapes and colours. These results suggest that objects in their typical colour are processed holistically in the visual modality, and that abilities important for colour naming may also be involved in abstracting colours from visual objects. We discuss these findings in the context of developmental psychology and linguistic anthropology, and propose a model of neuro-functional organization of object-colour knowledge.

中文翻译:

当颜色从物体中分离出来时:颜色感知与颜色语言和颜色知识的脱节

摘要 我们调查了 RDS 中的物体颜色知识,RDS 是一名左枕颞中风后颜色命名受损的患者。RDS 的颜色感知、物体命名和口头颜色知识(口头说出物体典型颜色的能力)相对较少。RDS 还能够说明对象是否适当着色。然而,他既不能将颜色名称与彩色物体相匹配,也不能将色块与灰度物体相匹配。因此,RDS 的颜色命名缺陷与概念上关联视觉呈现的物体形状和颜色的能力受损有关。这些结果表明,具有典型颜色的对象在视觉模式中得到了整体处理,并且对颜色命名很重要的能力也可能涉及从视觉对象中提取颜色。
更新日期:2019-09-03
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