词汇表征解释了言语理解过程中的皮层夹带
Lexical representation explains cortical entrainment during speech comprehension
摘要：
最近的一项关于口语句子理解的神经影像学研究的结果被解释为皮层夹带到层次句法结构的证据。我们提出了一个简单的计算模型，预测功率谱从这项研究中，即使该模型的语言知识仅限于词汇水平，和词级表示不结合到更高级别的单位（短语或句子）。因此，皮层夹带的结果也可以解释从词汇性质的刺激，而不求助于层次句法。
英文摘要：
Results from a recent neuroimaging study on spoken sentence comprehension have been interpreted as evidence for cortical entrainment to hierarchical syntactic structure. We present a simple computational model that predicts the power spectra from this study, even though the model's linguistic knowledge is restricted to the lexical level, and word-level representations are not combined into higher-level units (phrases or sentences). Hence, the cortical entrainment results can also be explained from the lexical properties of the stimuli, without recourse to hierarchical syntax.
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