How sound symbolism is processed in the brain: a study on Japanese mimetic words.
How sound symbolism is processed in the brain: a study on Japanese mimetic words.
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DOI：
10.1371/journal.pone.0097905
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Matsuda T
中科院分区：
文献类型：
--
作者：
Kanero J;Imai M;Okuda J;Okada H;Matsuda T
语音象征是词与意义之间系统的、非任意的联系。尽管大量的行为研究表明儿童和成人对拟态词中的声音象征都很敏感，但这一现象背后的神经机制尚未得到广泛的研究。本研究采用功能磁共振成像技术来研究日语拟态词在大脑中的加工过程。在实验一中，我们比较了运动拟态词与非语音符号运动动词和副词的加工。模仿词唯一激活右后上级颞沟（STS）。在实验2中，我们通过测试另一个领域：形状模仿，进一步研究了实验1结果的普遍性。我们的研究结果表明，右后STS是活跃的，当受试者处理运动和形状拟态词，从而表明，这方面可能是处理声音象征的主要结构。右后STS的活动增加也可能反映了声音符号词作为语言和非语言图标符号的功能。
Sound symbolism is the systematic and non-arbitrary link between word and meaning. Although a number of behavioral studies demonstrate that both children and adults are universally sensitive to sound symbolism in mimetic words, the neural mechanisms underlying this phenomenon have not yet been extensively investigated. The present study used functional magnetic resonance imaging to investigate how Japanese mimetic words are processed in the brain. In Experiment 1, we compared processing for motion mimetic words with that for non-sound symbolic motion verbs and adverbs. Mimetic words uniquely activated the right posterior superior temporal sulcus (STS). In Experiment 2, we further examined the generalizability of the findings from Experiment 1 by testing another domain: shape mimetics. Our results show that the right posterior STS was active when subjects processed both motion and shape mimetic words, thus suggesting that this area may be the primary structure for processing sound symbolism. Increased activity in the right posterior STS may also reflect how sound symbolic words function as both linguistic and non-linguistic iconic symbols.
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