Are the motor features of verb meanings represented in the precentral motor cortices? Yes, but within the context of a flexible, multilevel architecture for conceptual knowledge
Are the motor features of verb meanings represented in the precentral motor cortices? Yes, but within the context of a flexible, multilevel architecture for conceptual knowledge
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动词意义的运动特征是否由中央前运动皮层代表？
DOI：
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发表时间：
2015
影响因子：
3.5
通讯作者：
D. Kemmerer
中科院分区：
文献类型：
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作者：
D. Kemmerer
在认知神经科学的概念文献中，最有争议的问题之一是动词意义的运动特征是否在中央前运动皮层中得到表征。这场争论的主要原因是，关于以下几个方面的经验数据是混杂的：（1）动作动词是否以预测的方式参与中央前运动皮层，（2）这种参与是否是自动的，（3）它是否对理解至关重要。我认为，现有的数据可以最好地容纳的理论模型，假设概念知识是由一个灵活的，多层次的架构，不仅包括低层次的模态特定的系统的感知，行动和情感，但也高层次的跨模态收敛/发散区，以及统计共现模式的单词形式跨话语。从这种多元取向的角度来看，动词意义的运动特征确实在中央前运动皮层中得到了表征，但它们的提取受到任务和语境的调节，并不总是单词理解所必需的。
One of the most controversial issues in the cognitive neuroscience literature on concepts is whether the motor features of verb meanings are represented in the precentral motor cortices. Much of this debate stems from the fact that the empirical data are mixed with regard to (1) whether action verbs engage the precentral motor cortices in the predicted ways, (2) whether that engagement is automatic, and (3) whether it is essential for comprehension. I argue that the available data can best be accommodated by theoretical models which assume that conceptual knowledge is underpinned by a flexible, multilevel architecture that includes not only low-level modality-specific systems for perception, action, and emotion, but also high-level cross-modal convergence/divergence zones, as well as the statistical co-occurrence patterns of word-forms across discourses. From the perspective of such pluralistic approaches, the motor features of verb meanings are indeed represented in the precentral motor cortices, but their retrieval is modulated by task and context and is not always necessary for word comprehension.