语言理解中句法加工的脑机制

大量研究表明左侧额叶和颞叶的多个脑区与句法加工有关, 已有的理论模型分别从不同的角度对句法加工的脑机制进行了解释。通过文献比较与分析发现, 对句法加工的操作定义、实验任务、被试个体差异以及语言差异等均可能导致研究结果出现差异。在将来的研究中, 可以通过跨语言、多任务比较, 不同层面的句法加工的操作, 在方法上将个体功能定位分析与传统的组分析相结合, 以及从神经网络的角度来更准确和全面地揭示句法加工的脑机制。

The Brain Basis of Syntactic Processing During Language Comprehension

Left frontal and temporal brain areas are considered essential for syntactic processing during language comprehension. However, several proposed neural models represent differing views about the mechanisms underlying syntactic processing. Possible reasons for this discrepancy include differences in the manipulation of syntactic processing, the experimental tasks employed, the individual differences of participants, and the differences between languages. Accordingly, to better understand the neural basis of syntactic processing and language comprehension, we suggest that studies which include direct comparisons between languages, tasks, and different aspects of syntactic processing are necessary. Further, the combination of the individual-based functional localization approach and the traditional group analysis can reduce the influence of individual differences between participants. Functional connectivity studies may clarify how these brain areas cooperate with each other and provide an informative picture of syntactic processing.