Action Sentences Activate Sensory Motor Regions in the Brain Independently of Their Status of Reality

心理学 动作(物理) 理解力 具身认知 认知心理学 缘上回 语言学 神经科学 功能磁共振成像 计算机科学 哲学 物理 量子力学 人工智能
作者
Manuel de Vega,Inmaculada León,Juan Hernández,M Valdés,Iván Padrón,Evelyn C. Ferstl
出处
期刊:Journal of Cognitive Neuroscience [MIT Press]
卷期号:26 (7): 1363-1376 被引量:51
标识
DOI:10.1162/jocn_a_00559
摘要

Abstract Some studies have reported that understanding concrete action-related words and sentences elicits activations of motor areas in the brain. The present fMRI study goes one step further by testing whether this is also the case for comprehension of nonfactual statements. Three linguistic structures were used (factuals, counterfactuals, and negations), referring either to actions or, as a control condition, to visual events. The results showed that action sentences elicited stronger activations than visual sentences in the SMA, extending to the primary motor area, as well as in regions generally associated with the planning and understanding of actions (left superior temporal gyrus, left and right supramarginal gyri). Also, we found stronger activations for action sentences than for visual sentences in the extrastriate body area, a region involved in the visual processing of human body movements. These action-related effects occurred not only in factuals but also in negations and counterfactuals, suggesting that brain regions involved in action understanding and planning are activated by default even when the actions are described as hypothetical or as not happening. Moreover, some of these regions overlapped with those activated during the observation of action videos, indicating that the act of understanding action language and that of observing real actions share neural networks. These results support the claim that embodied representations of linguistic meaning are important even in abstract linguistic contexts.

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