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Gray Bananas and a Red Letter A — From Synesthetic Sensation to Memory Colors

机译:灰香蕉和红色字母A —从感觉到记忆色彩

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摘要

Grapheme–color synesthesia is a condition in which objectively achromatic graphemes induce concurrent color experiences. While it was long thought that the colors emerge during perception, there is growing support for the view that colors are integral to synesthetes’ cognitive representations of graphemes. In this work, we review evidence for two opposing theories positing either a perceptual or cognitive origin of concurrent colors: the cross-activation theory and the conceptual-mediation model. The review covers results on inducer and concurrent color processing as well as findings concerning the brain structure and grapheme–color mappings in synesthetes and trained mappings in nonsynesthetes. The results support different aspects of both theories. Finally, we discuss how research on memory colors could provide a new perspective in the debate about the level of processing at which the synesthetic colors occur.
机译:字素-颜色联觉是客观上消色差字素引起并发色彩体验的条件。人们长期以来一直认为颜色是在感知过程中出现的,但越来越多的人认为颜色是合成者对字素的认知表示所不可或缺的。在这项工作中,我们回顾了两种相反的理论的证据,这些理论提出了并发色彩的感知或认知起源:交叉激活理论和概念中介模型。这篇综述涵盖了诱导剂和并发颜色处理的结果,以及关于在合成物中的脑结构和字素-颜色映射以及在非合成物中的经过训练的映射的发现。结果支持两种理论的不同方面。最后,我们讨论了关于记忆色的研究如何在关于合成色发生的加工水平的辩论中提供新的观点。

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