左侧初级运动皮层在汉语动作隐喻语言加工中的作用
The Role of the Left Primary Motor Cortex in the Processing of Chinese Metaphorical Action Language
摘要: 大脑感觉运动系统如何参与动作语言，特别是隐喻动作语言的理解，是当前认知神经科学的重要课题。既往研究表明，左侧初级运动皮层(M1)在动作语言加工过程中表现出显著激活。然而，M1在隐喻动作语言理解中的作用机制仍存在争议。为探究此问题，本研究采用经颅直流电刺激(tDCS)技术调控M1的神经兴奋性，并让24名被试在阅读字面动作、隐喻动作、字面非动作及无意义四类动宾短语时完成意义判断任务。实验结果表明，阳极刺激M1显著促进了对字面动作短语和隐喻动作短语的加工，而对字面非动作短语和无意义短语的加工则未产生显著影响。研究结果不仅支持了关于动作心理模拟在隐喻动作语言理解中具有重要作用的观点，也为具身隐喻理论提供了证据。
Abstract: How the brain’s sensorimotor system participates in action language processing, especially in the comprehension of metaphorical action language, is an important topic in cognitive neuroscience. Previous studies have shown that the left primary motor cortex (M1) exhibits significant activation during the processing of action language. However, the role and mechanism of M1 in understanding metaphorical action language remain controversial. To investigate this issue, this study employed transcranial direct current stimulation (tDCS) to modulate the neural excitability of M1, while 24 participants performed a meaningfulness judgment task involving four types of verb-object phrases: literal action, metaphorical action, literal non-action, and nonsense phrases. The results indicated that anodal stimulation of M1 significantly facilitated the processing of both literal action and metaphorical action phrases, but had no significant effect on the processing of literal non-action and nonsense phrases. These findings not only support the important role of mental motor simulation in the comprehension of metaphorical action language but also provide evidence for the embodied metaphor theory.
文章引用：易娜, 舒雯欣, 张茜 (2025). 左侧初级运动皮层在汉语动作隐喻语言加工中的作用. 心理学进展, 15(9), 159-170. https://doi.org/10.12677/ap.2025.159505

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